18950750068 has 48 divisors (see below), whose sum is σ = 35642258064. Its totient is φ = 8784322560.

The previous prime is 18950750059. The next prime is 18950750069. The reversal of 18950750068 is 86005705981.

It can be written as a sum of positive squares in 8 ways, for example, as 1147718884 + 17803031184 = 33878^2 + 133428^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18950750069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4669096 + ... + 4673152.

It is an arithmetic number, because the mean of its divisors is an integer number (742547043).

Almost surely, 2^18950750068 is an apocalyptic number.

It is an amenable number.

18950750068 is a deficient number, since it is larger than the sum of its proper divisors (16691507996).

18950750068 is a wasteful number, since it uses less digits than its factorization.

18950750068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5092 (or 5090 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 49.

The spelling of 18950750068 in words is "eighteen billion, nine hundred fifty million, seven hundred fifty thousand, sixty-eight".