431414421377 has 2 divisors, whose sum is σ = 431414421378. Its totient is φ = 431414421376.

The previous prime is 431414421331. The next prime is 431414421461. The reversal of 431414421377 is 773124414134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308959217281 + 122455204096 = 555841^2 + 349936^2 .

It is a cyclic number.

It is not a de Polignac number, because 431414421377 - 2¹² = 431414417281 is a prime.

It is a super-2 number, since 2×431414421377² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (431414421577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215707210688 + 215707210689.

It is an arithmetic number, because the mean of its divisors is an integer number (215707210689).

Almost surely, 2^431414421377 is an apocalyptic number.

It is an amenable number.

431414421377 is a deficient number, since it is larger than the sum of its proper divisors (1).

431414421377 is an equidigital number, since it uses as much as digits as its factorization.

431414421377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 41.

The spelling of 431414421377 in words is "four hundred thirty-one billion, four hundred fourteen million, four hundred twenty-one thousand, three hundred seventy-seven".