61276397042 has 16 divisors (see below), whose sum is σ = 105048574080. Its totient is φ = 26260482528.

The previous prime is 61276397041. The next prime is 61276397053. The reversal of 61276397042 is 24079367216.

It is not an unprimeable number, because it can be changed into a prime (61276397041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639683 + ... + 729209.

It is an arithmetic number, because the mean of its divisors is an integer number (6565535880).

Almost surely, 2^61276397042 is an apocalyptic number.

61276397042 is a deficient number, since it is larger than the sum of its proper divisors (43772177038).

61276397042 is a wasteful number, since it uses less digits than its factorization.

61276397042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138425.

The product of its (nonzero) digits is 762048, while the sum is 47.

The spelling of 61276397042 in words is "sixty-one billion, two hundred seventy-six million, three hundred ninety-seven thousand, forty-two".