73361413631 has 16 divisors (see below), whose sum is σ = 81139069440. Its totient is φ = 65770486080.

The previous prime is 73361413597. The next prime is 73361413649. The reversal of 73361413631 is 13631416337.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73361413631 is a prime.

It is a super-2 number, since 2×73361413631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73361413681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695480 + ... + 793986.

It is an arithmetic number, because the mean of its divisors is an integer number (5071191840).

Almost surely, 2^73361413631 is an apocalyptic number.

73361413631 is a deficient number, since it is larger than the sum of its proper divisors (7777655809).

73361413631 is a wasteful number, since it uses less digits than its factorization.

73361413631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99454.

The product of its digits is 81648, while the sum is 38.

Adding to 73361413631 its reverse (13631416337), we get a palindrome (86992829968).

The spelling of 73361413631 in words is "seventy-three billion, three hundred sixty-one million, four hundred thirteen thousand, six hundred thirty-one".