32118944649 has 32 divisors (see below), whose sum is σ = 49191183360. Its totient is φ = 18436305600.

The previous prime is 32118944629. The next prime is 32118944651. The reversal of 32118944649 is 94644981123.

It is not a de Polignac number, because 32118944649 - 2²³ = 32110556041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32118944629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3952939 + ... + 3961055.

It is an arithmetic number, because the mean of its divisors is an integer number (1537224480).

Almost surely, 2^32118944649 is an apocalyptic number.

It is an amenable number.

32118944649 is a deficient number, since it is larger than the sum of its proper divisors (17072238711).

32118944649 is a wasteful number, since it uses less digits than its factorization.

32118944649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14461.

The product of its digits is 1492992, while the sum is 51.

The spelling of 32118944649 in words is "thirty-two billion, one hundred eighteen million, nine hundred forty-four thousand, six hundred forty-nine".