407676431309 has 4 divisors (see below), whose sum is σ = 465915921504. Its totient is φ = 349436941116.

The previous prime is 407676431297. The next prime is 407676431321. The reversal of 407676431309 is 903134676704.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (407676431297) and next prime (407676431321).

It is a cyclic number.

It is not a de Polignac number, because 407676431309 - 2⁴ = 407676431293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407676431329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29119745087 + ... + 29119745100.

It is an arithmetic number, because the mean of its divisors is an integer number (116478980376).

Almost surely, 2^407676431309 is an apocalyptic number.

It is an amenable number.

407676431309 is a deficient number, since it is larger than the sum of its proper divisors (58239490195).

407676431309 is an equidigital number, since it uses as much as digits as its factorization.

407676431309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58239490194.

The product of its (nonzero) digits is 2286144, while the sum is 50.

The spelling of 407676431309 in words is "four hundred seven billion, six hundred seventy-six million, four hundred thirty-one thousand, three hundred nine".