15834804945 has 8 divisors (see below), whose sum is σ = 25335687936. Its totient is φ = 8445229296.

The previous prime is 15834804919. The next prime is 15834804967. The reversal of 15834804945 is 54940843851.

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

It is not a de Polignac number, because 15834804945 - 2¹⁶ = 15834739409 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527826817 + ... + 527826846.

It is an arithmetic number, because the mean of its divisors is an integer number (3166960992).

Almost surely, 2^15834804945 is an apocalyptic number.

15834804945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15834804945 is a deficient number, since it is larger than the sum of its proper divisors (9500882991).

15834804945 is a wasteful number, since it uses less digits than its factorization.

15834804945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055653671.

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 15834804945 in words is "fifteen billion, eight hundred thirty-four million, eight hundred four thousand, nine hundred forty-five".