2619972859 has 8 divisors (see below), whose sum is σ = 2999577600. Its totient is φ = 2241698856.

The previous prime is 2619972851. The next prime is 2619972869. The reversal of 2619972859 is 9582799162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2619972859 - 2³ = 2619972851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2619972851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328459 + ... + 336340.

It is an arithmetic number, because the mean of its divisors is an integer number (374947200).

Almost surely, 2^2619972859 is an apocalyptic number.

2619972859 is a deficient number, since it is larger than the sum of its proper divisors (379604741).

2619972859 is an equidigital number, since it uses as much as digits as its factorization.

2619972859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665369.

The product of its digits is 4898880, while the sum is 58.

The square root of 2619972859 is about 51185.6704459363. The cubic root of 2619972859 is about 1378.5809222154.

The spelling of 2619972859 in words is "two billion, six hundred nineteen million, nine hundred seventy-two thousand, eight hundred fifty-nine".