62081491631 has 4 divisors (see below), whose sum is σ = 63099221064. Its totient is φ = 61063762200.

The previous prime is 62081491607. The next prime is 62081491649. The reversal of 62081491631 is 13619418026.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 62081491631 - 2⁶ = 62081491567 is a prime.

It is a super-2 number, since 2×62081491631² (a number of 22 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 (62081491691) 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 3 ways as a sum of consecutive naturals, for example, 508864625 + ... + 508864746.

It is an arithmetic number, because the mean of its divisors is an integer number (15774805266).

Almost surely, 2^62081491631 is an apocalyptic number.

62081491631 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

62081491631 is a deficient number, since it is larger than the sum of its proper divisors (1017729433).

62081491631 is a wasteful number, since it uses less digits than its factorization.

62081491631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017729432.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 62081491631 in words is "sixty-two billion, eighty-one million, four hundred ninety-one thousand, six hundred thirty-one".