63431201434355 has 16 divisors (see below), whose sum is σ = 78579836313600. Its totient is φ = 49103656138080.

The previous prime is 63431201434331. The next prime is 63431201434483. The reversal of 63431201434355 is 55343410213436.

It is a happy number.

It is not a de Polignac number, because 63431201434355 - 2⁸ = 63431201434099 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16463915 + ... + 19948004.

It is an arithmetic number, because the mean of its divisors is an integer number (4911239769600).

Almost surely, 2^{63431201434355} is an apocalyptic number.

63431201434355 is a deficient number, since it is larger than the sum of its proper divisors (15148634879245).

63431201434355 is a wasteful number, since it uses less digits than its factorization.

63431201434355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36423194.

The product of its (nonzero) digits is 1555200, while the sum is 44.

The spelling of 63431201434355 in words is "sixty-three trillion, four hundred thirty-one billion, two hundred one million, four hundred thirty-four thousand, three hundred fifty-five".