62980968781 has 4 divisors (see below), whose sum is σ = 63843721852. Its totient is φ = 62118215712.

The previous prime is 62980968769. The next prime is 62980968821. The reversal of 62980968781 is 18786908926.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23990912100 + 38990056681 = 154890^2 + 197459^2 .

It is a cyclic number.

It is not a de Polignac number, because 62980968781 - 2¹³ = 62980960589 is a prime.

It is a super-2 number, since 2×62980968781² (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 (62980968761) 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, 431376426 + ... + 431376571.

It is an arithmetic number, because the mean of its divisors is an integer number (15960930463).

Almost surely, 2^62980968781 is an apocalyptic number.

It is an amenable number.

62980968781 is a deficient number, since it is larger than the sum of its proper divisors (862753071).

62980968781 is an equidigital number, since it uses as much as digits as its factorization.

62980968781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862753070.

The product of its (nonzero) digits is 20901888, while the sum is 64.

The spelling of 62980968781 in words is "sixty-two billion, nine hundred eighty million, nine hundred sixty-eight thousand, seven hundred eighty-one".