61925418823 has 2 divisors, whose sum is σ = 61925418824. Its totient is φ = 61925418822.

The previous prime is 61925418769. The next prime is 61925418827. The reversal of 61925418823 is 32881452916.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61925418823 - 2²¹ = 61923321671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61925418827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30962709411 + 30962709412.

It is an arithmetic number, because the mean of its divisors is an integer number (30962709412).

Almost surely, 2^61925418823 is an apocalyptic number.

61925418823 is a deficient number, since it is larger than the sum of its proper divisors (1).

61925418823 is an equidigital number, since it uses as much as digits as its factorization.

61925418823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 49.

The spelling of 61925418823 in words is "sixty-one billion, nine hundred twenty-five million, four hundred eighteen thousand, eight hundred twenty-three".