61354962923 has 2 divisors, whose sum is σ = 61354962924. Its totient is φ = 61354962922.

The previous prime is 61354962859. The next prime is 61354962931. The reversal of 61354962923 is 32926945316.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61354962923 - 2⁶ = 61354962859 is a prime.

It is not a weakly prime, because it can be changed into another prime (61354962953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30677481461 + 30677481462.

It is an arithmetic number, because the mean of its divisors is an integer number (30677481462).

Almost surely, 2^61354962923 is an apocalyptic number.

61354962923 is a deficient number, since it is larger than the sum of its proper divisors (1).

61354962923 is an equidigital number, since it uses as much as digits as its factorization.

61354962923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2099520, while the sum is 50.

The spelling of 61354962923 in words is "sixty-one billion, three hundred fifty-four million, nine hundred sixty-two thousand, nine hundred twenty-three".