61276135634 has 32 divisors (see below), whose sum is σ = 106265053440. Its totient is φ = 25956361728.

The previous prime is 61276135619. The next prime is 61276135637. The reversal of 61276135634 is 43653167216.

It is not an unprimeable number, because it can be changed into a prime (61276135637) 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, 4000739 + ... + 4016025.

It is an arithmetic number, because the mean of its divisors is an integer number (3320782920).

Almost surely, 2^61276135634 is an apocalyptic number.

61276135634 is a deficient number, since it is larger than the sum of its proper divisors (44988917806).

61276135634 is a wasteful number, since it uses less digits than its factorization.

61276135634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18602.

The product of its digits is 544320, while the sum is 44.

The spelling of 61276135634 in words is "sixty-one billion, two hundred seventy-six million, one hundred thirty-five thousand, six hundred thirty-four".