18770650000 has 60 divisors (see below), whose sum is σ = 45457379604. Its totient is φ = 7508240000.

The previous prime is 18770649983. The next prime is 18770650013. The reversal of 18770650000 is 5607781.

It can be written as a sum of positive squares in 6 ways, for example, as 18595140496 + 175509504 = 136364^2 + 13248^2 .

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, 137707 + ... + 237706.

Almost surely, 2^18770650000 is an apocalyptic number.

18770650000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18770650000 is an abundant number, since it is smaller than the sum of its proper divisors (26686729604).

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

18770650000 is an frugal number, since it uses more digits than its factorization.

18770650000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375446 (or 375420 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 34.

The spelling of 18770650000 in words is "eighteen billion, seven hundred seventy million, six hundred fifty thousand".