2619540038 has 4 divisors (see below), whose sum is σ = 3929310060. Its totient is φ = 1309770018.

The previous prime is 2619540017. The next prime is 2619540041. The reversal of 2619540038 is 8300459162.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2619539983 and 2619540010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 654885008 + ... + 654885011.

It is an arithmetic number, because the mean of its divisors is an integer number (982327515).

Almost surely, 2^2619540038 is an apocalyptic number.

2619540038 is a deficient number, since it is larger than the sum of its proper divisors (1309770022).

2619540038 is a wasteful number, since it uses less digits than its factorization.

2619540038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309770021.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 2619540038 is about 51181.4423204349. The cubic root of 2619540038 is about 1378.5050039184.

The spelling of 2619540038 in words is "two billion, six hundred nineteen million, five hundred forty thousand, thirty-eight".