18970654756 has 27 divisors (see below), whose sum is σ = 35275089297. Its totient is φ = 8925163200.

The previous prime is 18970654753. The next prime is 18970654783. The reversal of 18970654756 is 65745607981.

The square root of 18970654756 is 137734.

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., 14769540900 + 4201113856 = 121530^2 + 64816^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18970654756.

It is not an unprimeable number, because it can be changed into a prime (18970654751) 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, 4680931 + ... + 4684981.

Almost surely, 2^18970654756 is an apocalyptic number.

18970654756 is the 137734-th square number.

It is an amenable number.

18970654756 is a deficient number, since it is larger than the sum of its proper divisors (16304434541).

18970654756 is an frugal number, since it uses more digits than its factorization.

18970654756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8140 (or 4070 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 58.

The spelling of 18970654756 in words is "eighteen billion, nine hundred seventy million, six hundred fifty-four thousand, seven hundred fifty-six".