63431075061353 has 4 divisors (see below), whose sum is σ = 63435951012180. Its totient is φ = 63426199110528.

The previous prime is 63431075061337. The next prime is 63431075061359. The reversal of 63431075061353 is 35316057013436.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18469597831129 + 44961477230224 = 4297627^2 + 6705332^2 .

It is a cyclic number.

It is not a de Polignac number, because 63431075061353 - 2⁴ = 63431075061337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63431075061298 and 63431075061307.

It is not an unprimeable number, because it can be changed into a prime (63431075061359) 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, 2437955900 + ... + 2437981917.

It is an arithmetic number, because the mean of its divisors is an integer number (15858987753045).

Almost surely, 2^{63431075061353} is an apocalyptic number.

It is an amenable number.

63431075061353 is a deficient number, since it is larger than the sum of its proper divisors (4875950827).

63431075061353 is a wasteful number, since it uses less digits than its factorization.

63431075061353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4875950826.

The product of its (nonzero) digits is 2041200, while the sum is 47.

The spelling of 63431075061353 in words is "sixty-three trillion, four hundred thirty-one billion, seventy-five million, sixty-one thousand, three hundred fifty-three".