42430432322977 has 2 divisors, whose sum is σ = 42430432322978. Its totient is φ = 42430432322976.

The previous prime is 42430432322939. The next prime is 42430432323067. The reversal of 42430432322977 is 77922323403424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42205603669056 + 224828653921 = 6496584^2 + 474161^2 .

It is a cyclic number.

It is not a de Polignac number, because 42430432322977 - 2²⁷ = 42430298105249 is a prime.

It is a super-2 number, since 2×42430432322977² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42430432322477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21215216161488 + 21215216161489.

It is an arithmetic number, because the mean of its divisors is an integer number (21215216161489).

Almost surely, 2^{42430432322977} is an apocalyptic number.

It is an amenable number.

42430432322977 is a deficient number, since it is larger than the sum of its proper divisors (1).

42430432322977 is an equidigital number, since it uses as much as digits as its factorization.

42430432322977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12192768, while the sum is 52.

The spelling of 42430432322977 in words is "forty-two trillion, four hundred thirty billion, four hundred thirty-two million, three hundred twenty-two thousand, nine hundred seventy-seven".