431404015369 has 2 divisors, whose sum is σ = 431404015370. Its totient is φ = 431404015368.

The previous prime is 431404015351. The next prime is 431404015381. The reversal of 431404015369 is 963510404134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 391922325369 + 39481690000 = 626037^2 + 198700^2 .

It is a cyclic number.

It is not a de Polignac number, because 431404015369 - 2⁷ = 431404015241 is a prime.

It is a super-2 number, since 2×431404015369² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (431404015309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215702007684 + 215702007685.

It is an arithmetic number, because the mean of its divisors is an integer number (215702007685).

Almost surely, 2^431404015369 is an apocalyptic number.

It is an amenable number.

431404015369 is a deficient number, since it is larger than the sum of its proper divisors (1).

431404015369 is an equidigital number, since it uses as much as digits as its factorization.

431404015369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 431404015369 in words is "four hundred thirty-one billion, four hundred four million, fifteen thousand, three hundred sixty-nine".