62641287631 has 4 divisors (see below), whose sum is σ = 67459848232. Its totient is φ = 57822727032.

The previous prime is 62641287619. The next prime is 62641287641. The reversal of 62641287631 is 13678214626.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13678214626 = 2 ⋅6839107313.

It is a cyclic number.

It is not a de Polignac number, because 62641287631 - 2⁹ = 62641287119 is a prime.

It is a super-2 number, since 2×62641287631² (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 (62641287641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2409280281 + ... + 2409280306.

It is an arithmetic number, because the mean of its divisors is an integer number (16864962058).

Almost surely, 2^62641287631 is an apocalyptic number.

62641287631 is a deficient number, since it is larger than the sum of its proper divisors (4818560601).

62641287631 is a wasteful number, since it uses less digits than its factorization.

62641287631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4818560600.

The product of its digits is 580608, while the sum is 46.

The spelling of 62641287631 in words is "sixty-two billion, six hundred forty-one million, two hundred eighty-seven thousand, six hundred thirty-one".