63444011934 has 128 divisors (see below), whose sum is σ = 139734346752. Its totient is φ = 19124582400.

The previous prime is 63444011933. The next prime is 63444011971. The reversal of 63444011934 is 43911044436.

It is a junction number, because it is equal to n+sod(n) for n = 63444011892 and 63444011901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63444011933) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 87267879 + ... + 87268605.

It is an arithmetic number, because the mean of its divisors is an integer number (1091674584).

Almost surely, 2^63444011934 is an apocalyptic number.

63444011934 is an abundant number, since it is smaller than the sum of its proper divisors (76290334818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63444011934 is a wasteful number, since it uses less digits than its factorization.

63444011934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090.

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 63444011934 in words is "sixty-three billion, four hundred forty-four million, eleven thousand, nine hundred thirty-four".