1018913432 has 32 divisors (see below), whose sum is σ = 2003616000. Its totient is φ = 484840224.

The previous prime is 1018913431. The next prime is 1018913443. The reversal of 1018913432 is 2343198101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018913431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22703 + ... + 50529.

It is an arithmetic number, because the mean of its divisors is an integer number (62613000).

Almost surely, 2^1018913432 is an apocalyptic number.

It is an amenable number.

1018913432 is a deficient number, since it is larger than the sum of its proper divisors (984702568).

1018913432 is a wasteful number, since it uses less digits than its factorization.

1018913432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28055 (or 28051 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1018913432 is about 31920.4234307755. The cubic root of 1018913432 is about 1006.2651433391.

The spelling of 1018913432 in words is "one billion, eighteen million, nine hundred thirteen thousand, four hundred thirty-two".