431040354411977 has 2 divisors, whose sum is σ = 431040354411978. Its totient is φ = 431040354411976.

The previous prime is 431040354411937. The next prime is 431040354412039. The reversal of 431040354411977 is 779114453040134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 421805295334201 + 9235059077776 = 20537899^2 + 3038924^2 .

It is a cyclic number.

It is not a de Polignac number, because 431040354411977 - 2¹⁸ = 431040354149833 is a prime.

It is not a weakly prime, because it can be changed into another prime (431040354411937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215520177205988 + 215520177205989.

It is an arithmetic number, because the mean of its divisors is an integer number (215520177205989).

Almost surely, 2^{431040354411977} is an apocalyptic number.

It is an amenable number.

431040354411977 is a deficient number, since it is larger than the sum of its proper divisors (1).

431040354411977 is an equidigital number, since it uses as much as digits as its factorization.

431040354411977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 431040354411977 in words is "four hundred thirty-one trillion, forty billion, three hundred fifty-four million, four hundred eleven thousand, nine hundred seventy-seven".