61967684983 has 2 divisors, whose sum is σ = 61967684984. Its totient is φ = 61967684982.

The previous prime is 61967684971. The next prime is 61967685019. The reversal of 61967684983 is 38948676916.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61967684983 - 2⁵ = 61967684951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61967684183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30983842491 + 30983842492.

It is an arithmetic number, because the mean of its divisors is an integer number (30983842492).

Almost surely, 2^61967684983 is an apocalyptic number.

61967684983 is a deficient number, since it is larger than the sum of its proper divisors (1).

61967684983 is an equidigital number, since it uses as much as digits as its factorization.

61967684983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94058496, while the sum is 67.

The spelling of 61967684983 in words is "sixty-one billion, nine hundred sixty-seven million, six hundred eighty-four thousand, nine hundred eighty-three".