18950995832 has 8 divisors (see below), whose sum is σ = 35533117200. Its totient is φ = 9475497912.

The previous prime is 18950995831. The next prime is 18950995841. The reversal of 18950995832 is 23859905981.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18950995831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1184437232 + ... + 1184437247.

It is an arithmetic number, because the mean of its divisors is an integer number (4441639650).

Almost surely, 2^18950995832 is an apocalyptic number.

It is an amenable number.

18950995832 is a deficient number, since it is larger than the sum of its proper divisors (16582121368).

18950995832 is a wasteful number, since it uses less digits than its factorization.

18950995832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368874485 (or 2368874481 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 59.

The spelling of 18950995832 in words is "eighteen billion, nine hundred fifty million, nine hundred ninety-five thousand, eight hundred thirty-two".