73239349431 has 16 divisors (see below), whose sum is σ = 97870338944. Its totient is φ = 48717357984.

The previous prime is 73239349411. The next prime is 73239349441. The reversal of 73239349431 is 13494393237.

It is not a de Polignac number, because 73239349431 - 2⁵ = 73239349399 is a prime.

It is a super-2 number, since 2×73239349431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73239349411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7066305 + ... + 7076661.

It is an arithmetic number, because the mean of its divisors is an integer number (6116896184).

Almost surely, 2^73239349431 is an apocalyptic number.

73239349431 is a deficient number, since it is larger than the sum of its proper divisors (24630989513).

73239349431 is a wasteful number, since it uses less digits than its factorization.

73239349431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15390.

The product of its digits is 1469664, while the sum is 48.

The spelling of 73239349431 in words is "seventy-three billion, two hundred thirty-nine million, three hundred forty-nine thousand, four hundred thirty-one".