6523631873 has 6 divisors (see below), whose sum is σ = 7170603762. Its totient is φ = 5930574320.

The previous prime is 6523631861. The next prime is 6523631879. The reversal of 6523631873 is 3781363256.

It can be written as a sum of positive squares in only one way, i.e., 4194893824 + 2328738049 = 64768^2 + 48257^2 .

It is not a de Polignac number, because 6523631873 - 2⁴ = 6523631857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6523631879) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26957036 + ... + 26957277.

It is an arithmetic number, because the mean of its divisors is an integer number (1195100627).

Almost surely, 2^6523631873 is an apocalyptic number.

It is an amenable number.

6523631873 is a deficient number, since it is larger than the sum of its proper divisors (646971889).

6523631873 is a wasteful number, since it uses less digits than its factorization.

6523631873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53914335 (or 53914324 counting only the distinct ones).

The product of its digits is 544320, while the sum is 44.

The square root of 6523631873 is about 80769.0031695328. The cubic root of 6523631873 is about 1868.5145411955.

The spelling of 6523631873 in words is "six billion, five hundred twenty-three million, six hundred thirty-one thousand, eight hundred seventy-three".