345445431263 has 2 divisors, whose sum is σ = 345445431264. Its totient is φ = 345445431262.

The previous prime is 345445431203. The next prime is 345445431281. The reversal of 345445431263 is 362134544543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345445431263 - 2¹⁴ = 345445414879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345445431203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172722715631 + 172722715632.

It is an arithmetic number, because the mean of its divisors is an integer number (172722715632).

Almost surely, 2^345445431263 is an apocalyptic number.

345445431263 is a deficient number, since it is larger than the sum of its proper divisors (1).

345445431263 is an equidigital number, since it uses as much as digits as its factorization.

345445431263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2073600, while the sum is 44.

The spelling of 345445431263 in words is "three hundred forty-five billion, four hundred forty-five million, four hundred thirty-one thousand, two hundred sixty-three".