1373430407 has 2 divisors, whose sum is σ = 1373430408. Its totient is φ = 1373430406.

The previous prime is 1373430397. The next prime is 1373430431. The reversal of 1373430407 is 7040343731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1373430407 - 2⁸ = 1373430151 is a prime.

It is a super-2 number, since 2×1373430407² = 3772622165744371298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1373430437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686715203 + 686715204.

It is an arithmetic number, because the mean of its divisors is an integer number (686715204).

Almost surely, 2^1373430407 is an apocalyptic number.

1373430407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373430407 is an equidigital number, since it uses as much as digits as its factorization.

1373430407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 1373430407 is about 37059.8220044295. The cubic root of 1373430407 is about 1111.5667637478.

The spelling of 1373430407 in words is "one billion, three hundred seventy-three million, four hundred thirty thousand, four hundred seven".