61351845692 has 12 divisors (see below), whose sum is σ = 107369938200. Its totient is φ = 30674720496.

The previous prime is 61351845691. The next prime is 61351845697. The reversal of 61351845692 is 29654815316.

It is a self number, because there is not a number n which added to its sum of digits gives 61351845692.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61351845691) 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, 180443 + ... + 394034.

It is an arithmetic number, because the mean of its divisors is an integer number (8947494850).

Almost surely, 2^61351845692 is an apocalyptic number.

It is an amenable number.

61351845692 is a deficient number, since it is larger than the sum of its proper divisors (46018092508).

61351845692 is a wasteful number, since it uses less digits than its factorization.

61351845692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601180 (or 601178 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 50.

The spelling of 61351845692 in words is "sixty-one billion, three hundred fifty-one million, eight hundred forty-five thousand, six hundred ninety-two".