15683204974099 has 4 divisors (see below), whose sum is σ = 16889605356736. Its totient is φ = 14476804591464.

The previous prime is 15683204974067. The next prime is 15683204974103. The reversal of 15683204974099 is 99047940238651.

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

It is a cyclic number.

It is not a de Polignac number, because 15683204974099 - 2⁵ = 15683204974067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15683204974499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603200191299 + ... + 603200191324.

It is an arithmetic number, because the mean of its divisors is an integer number (4222401339184).

It is a 1-persistent number, because it is pandigital, but 2⋅15683204974099 = 31366409948198 is not.

Almost surely, 2^{15683204974099} is an apocalyptic number.

15683204974099 is a deficient number, since it is larger than the sum of its proper divisors (1206400382637).

15683204974099 is a wasteful number, since it uses less digits than its factorization.

15683204974099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206400382636.

The product of its (nonzero) digits is 117573120, while the sum is 67.

The spelling of 15683204974099 in words is "fifteen trillion, six hundred eighty-three billion, two hundred four million, nine hundred seventy-four thousand, ninety-nine".