63131733345 has 32 divisors (see below), whose sum is σ = 102495631104. Its totient is φ = 33176217600.

The previous prime is 63131733323. The next prime is 63131733347. The reversal of 63131733345 is 54333713136.

It is not a de Polignac number, because 63131733345 - 2¹⁷ = 63131602273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63131733347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1100985 + ... + 1156905.

It is an arithmetic number, because the mean of its divisors is an integer number (3202988472).

Almost surely, 2^63131733345 is an apocalyptic number.

It is an amenable number.

63131733345 is a deficient number, since it is larger than the sum of its proper divisors (39363897759).

63131733345 is a wasteful number, since it uses less digits than its factorization.

63131733345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57033.

The product of its digits is 204120, while the sum is 39.

The spelling of 63131733345 in words is "sixty-three billion, one hundred thirty-one million, seven hundred thirty-three thousand, three hundred forty-five".