18641440970962 has 16 divisors (see below), whose sum is σ = 28030424602752. Its totient is φ = 9297978051600.

The previous prime is 18641440970941. The next prime is 18641440971001. The reversal of 18641440970962 is 26907904414681.

It is a self number, because there is not a number n which added to its sum of digits gives 18641440970962.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137212 + ... + 6107512.

It is an arithmetic number, because the mean of its divisors is an integer number (1751901537672).

Almost surely, 2^{18641440970962} is an apocalyptic number.

18641440970962 is a deficient number, since it is larger than the sum of its proper divisors (9388983631790).

18641440970962 is a wasteful number, since it uses less digits than its factorization.

18641440970962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5974113.

The product of its (nonzero) digits is 20901888, while the sum is 61.

The spelling of 18641440970962 in words is "eighteen trillion, six hundred forty-one billion, four hundred forty million, nine hundred seventy thousand, nine hundred sixty-two".