15435680673 has 64 divisors (see below), whose sum is σ = 25468895232. Its totient is φ = 8121738240.

The previous prime is 15435680671. The next prime is 15435680681. The reversal of 15435680673 is 37608653451.

It is not a de Polignac number, because 15435680673 - 2¹ = 15435680671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15435680671) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2947065 + ... + 2952297.

It is an arithmetic number, because the mean of its divisors is an integer number (397951488).

Almost surely, 2^15435680673 is an apocalyptic number.

It is an amenable number.

15435680673 is a deficient number, since it is larger than the sum of its proper divisors (10033214559).

15435680673 is a wasteful number, since it uses less digits than its factorization.

15435680673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5494.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 15435680673 in words is "fifteen billion, four hundred thirty-five million, six hundred eighty thousand, six hundred seventy-three".