1928717400004 has 6 divisors (see below), whose sum is σ = 3375255450014. Its totient is φ = 964358700000.

The previous prime is 1928717399993. The next prime is 1928717400017. The reversal of 1928717400004 is 4000047178291.

It can be written as a sum of positive squares in only one way, i.e., 1836241806400 + 92475593604 = 1355080^2 + 304098^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241089674997 + ... + 241089675004.

Almost surely, 2^{1928717400004} is an apocalyptic number.

It is an amenable number.

1928717400004 is a deficient number, since it is larger than the sum of its proper divisors (1446538050010).

1928717400004 is a wasteful number, since it uses less digits than its factorization.

1928717400004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482179350005 (or 482179350003 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The spelling of 1928717400004 in words is "one trillion, nine hundred twenty-eight billion, seven hundred seventeen million, four hundred thousand, four".