19471411600 has 45 divisors (see below), whose sum is σ = 46786772227. Its totient is φ = 7787448320.

The previous prime is 19471411577. The next prime is 19471411613. The reversal of 19471411600 is 611417491.

The square root of 19471411600 is 139540.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 3932293264 + 15539118336 = 62708^2 + 124656^2 .

It is a super-2 number, since 2×19471411600² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2787312 + ... + 2794288.

Almost surely, 2^19471411600 is an apocalyptic number.

19471411600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19471411600 is the 139540-th square number.

It is an amenable number.

19471411600 is an abundant number, since it is smaller than the sum of its proper divisors (27315360627).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19471411600 is an frugal number, since it uses more digits than its factorization.

19471411600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13972 (or 6984 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The spelling of 19471411600 in words is "nineteen billion, four hundred seventy-one million, four hundred eleven thousand, six hundred".