2619972860 has 12 divisors (see below), whose sum is σ = 5501943048. Its totient is φ = 1047989136.

The previous prime is 2619972851. The next prime is 2619972869. The reversal of 2619972860 is 682799162.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2619972851) and next prime (2619972869).

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2619972799 and 2619972808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2619972869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65499302 + ... + 65499341.

It is an arithmetic number, because the mean of its divisors is an integer number (458495254).

Almost surely, 2^2619972860 is an apocalyptic number.

2619972860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2619972860 is an abundant number, since it is smaller than the sum of its proper divisors (2881970188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2619972860 is a wasteful number, since it uses less digits than its factorization.

2619972860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130998652 (or 130998650 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 2619972860 is about 51185.6704557047. The cubic root of 2619972860 is about 1378.5809223908.

The spelling of 2619972860 in words is "two billion, six hundred nineteen million, nine hundred seventy-two thousand, eight hundred sixty".