437942794313 has 2 divisors, whose sum is σ = 437942794314. Its totient is φ = 437942794312.

The previous prime is 437942794283. The next prime is 437942794349. The reversal of 437942794313 is 313497249734.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 265475349049 + 172467445264 = 515243^2 + 415292^2 .

It is a cyclic number.

It is not a de Polignac number, because 437942794313 - 2¹⁸ = 437942532169 is a prime.

It is not a weakly prime, because it can be changed into another prime (437942794363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218971397156 + 218971397157.

It is an arithmetic number, because the mean of its divisors is an integer number (218971397157).

Almost surely, 2^437942794313 is an apocalyptic number.

It is an amenable number.

437942794313 is a deficient number, since it is larger than the sum of its proper divisors (1).

437942794313 is an equidigital number, since it uses as much as digits as its factorization.

437942794313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13716864, while the sum is 56.

The spelling of 437942794313 in words is "four hundred thirty-seven billion, nine hundred forty-two million, seven hundred ninety-four thousand, three hundred thirteen".