19755426916 has 27 divisors (see below), whose sum is σ = 35738962707. Its totient is φ = 9554860920.

The previous prime is 19755426913. The next prime is 19755426953. The reversal of 19755426916 is 61962455791.

The square root of 19755426916 is 140554.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19755426913) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8713215 + ... + 8715481.

Almost surely, 2^19755426916 is an apocalyptic number.

19755426916 is the 140554-th square number.

It is an amenable number.

19755426916 is a deficient number, since it is larger than the sum of its proper divisors (15983535791).

19755426916 is an frugal number, since it uses more digits than its factorization.

19755426916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4600 (or 2300 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 55.

The spelling of 19755426916 in words is "nineteen billion, seven hundred fifty-five million, four hundred twenty-six thousand, nine hundred sixteen".