6632869401 has 6 divisors (see below), whose sum is σ = 9580811370. Its totient is φ = 4421912928.

The previous prime is 6632869393. The next prime is 6632869469. The reversal of 6632869401 is 1049682366.

6632869401 is a `hidden beast` number, since 6 + 632 + 8 + 6 + 9 + 4 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6419855376 + 213014025 = 80124^2 + 14595^2 .

It is not a de Polignac number, because 6632869401 - 2³ = 6632869393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6632869471) 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, 368492736 + ... + 368492753.

It is an arithmetic number, because the mean of its divisors is an integer number (1596801895).

Almost surely, 2^6632869401 is an apocalyptic number.

It is an amenable number.

6632869401 is a deficient number, since it is larger than the sum of its proper divisors (2947941969).

6632869401 is a wasteful number, since it uses less digits than its factorization.

6632869401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736985495 (or 736985492 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 6632869401 is about 81442.4299797102. The cubic root of 6632869401 is about 1878.8862235904.

The spelling of 6632869401 in words is "six billion, six hundred thirty-two million, eight hundred sixty-nine thousand, four hundred one".