18769416948 has 36 divisors (see below), whose sum is σ = 47504517060. Its totient is φ = 6248612736.

The previous prime is 18769416781. The next prime is 18769416989. The reversal of 18769416948 is 84961496781.

It can be written as a sum of positive squares in 2 ways, for example, as 4680201744 + 14089215204 = 68412^2 + 118698^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 298393 + ... + 355776.

Almost surely, 2^18769416948 is an apocalyptic number.

18769416948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18769416948 is an abundant number, since it is smaller than the sum of its proper divisors (28735100112).

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

18769416948 is a wasteful number, since it uses less digits than its factorization.

18769416948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654976 (or 654971 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 63.

The spelling of 18769416948 in words is "eighteen billion, seven hundred sixty-nine million, four hundred sixteen thousand, nine hundred forty-eight".