431074949 has 2 divisors, whose sum is σ = 431074950. Its totient is φ = 431074948.

The previous prime is 431074913. The next prime is 431075003. The reversal of 431074949 is 949470134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 422014849 + 9060100 = 20543^2 + 3010^2 .

It is a cyclic number.

It is not a de Polignac number, because 431074949 - 2¹⁶ = 431009413 is a prime.

It is a super-2 number, since 2×431074949² = 371651223310705202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431074909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215537474 + 215537475.

It is an arithmetic number, because the mean of its divisors is an integer number (215537475).

Almost surely, 2^431074949 is an apocalyptic number.

It is an amenable number.

431074949 is a deficient number, since it is larger than the sum of its proper divisors (1).

431074949 is an equidigital number, since it uses as much as digits as its factorization.

431074949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 431074949 is about 20762.3444967085. The cubic root of 431074949 is about 755.4126650687.

The spelling of 431074949 in words is "four hundred thirty-one million, seventy-four thousand, nine hundred forty-nine".