15497800073 has 8 divisors (see below), whose sum is σ = 17714337792. Its totient is φ = 13281903936.

The previous prime is 15497800001. The next prime is 15497800079. The reversal of 15497800073 is 37000879451.

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

It is not a de Polignac number, because 15497800073 - 2²⁰ = 15496751497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15497799997 and 15497800033.

It is not an unprimeable number, because it can be changed into a prime (15497800079) 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, 107465 + ... + 206262.

It is an arithmetic number, because the mean of its divisors is an integer number (2214292224).

Almost surely, 2^15497800073 is an apocalyptic number.

It is an amenable number.

15497800073 is a deficient number, since it is larger than the sum of its proper divisors (2216537719).

15497800073 is an equidigital number, since it uses as much as digits as its factorization.

15497800073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320791.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 15497800073 in words is "fifteen billion, four hundred ninety-seven million, eight hundred thousand, seventy-three".