631610053446403 has 4 divisors (see below), whose sum is σ = 631960753089208. Its totient is φ = 631259353803600.

The previous prime is 631610053446401. The next prime is 631610053446413. The reversal of 631610053446403 is 304644350016136.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 631610053446403 - 2¹ = 631610053446401 is a prime.

It is a super-2 number, since 2×631610053446403² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (631610053446401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175349818701 + ... + 175349822302.

It is an arithmetic number, because the mean of its divisors is an integer number (157990188272302).

Almost surely, 2^{631610053446403} is an apocalyptic number.

631610053446403 is a deficient number, since it is larger than the sum of its proper divisors (350699642805).

631610053446403 is a wasteful number, since it uses less digits than its factorization.

631610053446403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350699642804.

The product of its (nonzero) digits is 1866240, while the sum is 46.

The spelling of 631610053446403 in words is "six hundred thirty-one trillion, six hundred ten billion, fifty-three million, four hundred forty-six thousand, four hundred three".