63437073436 has 48 divisors (see below), whose sum is σ = 122515545600. Its totient is φ = 28500680000.

The previous prime is 63437073433. The next prime is 63437073437.

63437073436 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×63437073436² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63437073431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2650041 + ... + 2673871.

It is an arithmetic number, because the mean of its divisors is an integer number (2552407200).

Almost surely, 2^63437073436 is an apocalyptic number.

It is an amenable number.

63437073436 is a deficient number, since it is larger than the sum of its proper divisors (59078472164).

63437073436 is a wasteful number, since it uses less digits than its factorization.

63437073436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24546 (or 24544 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 46.

The spelling of 63437073436 in words is "sixty-three billion, four hundred thirty-seven million, seventy-three thousand, four hundred thirty-six".