42346441212961 has 2 divisors, whose sum is σ = 42346441212962. Its totient is φ = 42346441212960.

The previous prime is 42346441212913. The next prime is 42346441212989. The reversal of 42346441212961 is 16921214464324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32917586638225 + 9428854574736 = 5737385^2 + 3070644^2 .

It is a cyclic number.

It is not a de Polignac number, because 42346441212961 - 2⁷ = 42346441212833 is a prime.

It is not a weakly prime, because it can be changed into another prime (42346441215961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21173220606480 + 21173220606481.

It is an arithmetic number, because the mean of its divisors is an integer number (21173220606481).

Almost surely, 2^{42346441212961} is an apocalyptic number.

It is an amenable number.

42346441212961 is a deficient number, since it is larger than the sum of its proper divisors (1).

42346441212961 is an equidigital number, since it uses as much as digits as its factorization.

42346441212961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1990656, while the sum is 49.

The spelling of 42346441212961 in words is "forty-two trillion, three hundred forty-six billion, four hundred forty-one million, two hundred twelve thousand, nine hundred sixty-one".