19414520896 has 21 divisors (see below), whose sum is σ = 38527901989. Its totient is φ = 9706703104.

The previous prime is 19414520849. The next prime is 19414520903. The reversal of 19414520896 is 69802541491.

The square root of 19414520896 is 139336.

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

It can be written as a sum of positive squares in only one way, i.e., 18289857600 + 1124663296 = 135240^2 + 33536^2 .

It is a super-3 number, since 3×19414520896³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1105980 + ... + 1123396.

Almost surely, 2^19414520896 is an apocalyptic number.

19414520896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

19414520896 is the 139336-th square number.

It is an amenable number.

19414520896 is a deficient number, since it is larger than the sum of its proper divisors (19113381093).

19414520896 is an frugal number, since it uses more digits than its factorization.

19414520896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34846 (or 17419 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

Multiplying 19414520896 by its sum of digits (49), we get a square (951311523904 = 975352²).

The spelling of 19414520896 in words is "nineteen billion, four hundred fourteen million, five hundred twenty thousand, eight hundred ninety-six".