61925418793 has 12 divisors (see below), whose sum is σ = 72044973072. Its totient is φ = 53072091240.

The previous prime is 61925418769. The next prime is 61925418823. The reversal of 61925418793 is 39781452916.

It is a happy number.

It is not a de Polignac number, because 61925418793 - 2¹³ = 61925410601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61925418493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 323046 + ... + 477712.

It is an arithmetic number, because the mean of its divisors is an integer number (6003747756).

Almost surely, 2^61925418793 is an apocalyptic number.

It is an amenable number.

61925418793 is a deficient number, since it is larger than the sum of its proper divisors (10119554279).

61925418793 is a wasteful number, since it uses less digits than its factorization.

61925418793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162852 (or 162845 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 55.

The spelling of 61925418793 in words is "sixty-one billion, nine hundred twenty-five million, four hundred eighteen thousand, seven hundred ninety-three".