431422142077 has 2 divisors, whose sum is σ = 431422142078. Its totient is φ = 431422142076.

The previous prime is 431422142033. The next prime is 431422142131. The reversal of 431422142077 is 770241224134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271238889636 + 160183252441 = 520806^2 + 400229^2 .

It is a cyclic number.

It is not a de Polignac number, because 431422142077 - 2²³ = 431413753469 is a prime.

It is a super-2 number, since 2×431422142077² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431422149077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215711071038 + 215711071039.

It is an arithmetic number, because the mean of its divisors is an integer number (215711071039).

Almost surely, 2^431422142077 is an apocalyptic number.

It is an amenable number.

431422142077 is a deficient number, since it is larger than the sum of its proper divisors (1).

431422142077 is an equidigital number, since it uses as much as digits as its factorization.

431422142077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 37.

The spelling of 431422142077 in words is "four hundred thirty-one billion, four hundred twenty-two million, one hundred forty-two thousand, seventy-seven".