632447253457 has 4 divisors (see below), whose sum is σ = 636635646016. Its totient is φ = 628258860900.

The previous prime is 632447253439. The next prime is 632447253467. The reversal of 632447253457 is 754352744236.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 632447253457 - 2¹⁵ = 632447220689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (632447253467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2094196053 + ... + 2094196354.

It is an arithmetic number, because the mean of its divisors is an integer number (159158911504).

Almost surely, 2^632447253457 is an apocalyptic number.

It is an amenable number.

632447253457 is a deficient number, since it is larger than the sum of its proper divisors (4188392559).

632447253457 is a wasteful number, since it uses less digits than its factorization.

632447253457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4188392558.

The product of its digits is 16934400, while the sum is 52.

The spelling of 632447253457 in words is "six hundred thirty-two billion, four hundred forty-seven million, two hundred fifty-three thousand, four hundred fifty-seven".