61883974231 has 2 divisors, whose sum is σ = 61883974232. Its totient is φ = 61883974230.

The previous prime is 61883974211. The next prime is 61883974259. The reversal of 61883974231 is 13247938816.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61883974231 - 2¹⁷ = 61883843159 is a prime.

It is a super-2 number, since 2×61883974231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61883974211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30941987115 + 30941987116.

It is an arithmetic number, because the mean of its divisors is an integer number (30941987116).

Almost surely, 2^61883974231 is an apocalyptic number.

61883974231 is a deficient number, since it is larger than the sum of its proper divisors (1).

61883974231 is an equidigital number, since it uses as much as digits as its factorization.

61883974231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 52.

The spelling of 61883974231 in words is "sixty-one billion, eight hundred eighty-three million, nine hundred seventy-four thousand, two hundred thirty-one".