479842278437 has 2 divisors, whose sum is σ = 479842278438. Its totient is φ = 479842278436.

The previous prime is 479842278359. The next prime is 479842278449. The reversal of 479842278437 is 734872248974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 306678933796 + 173163344641 = 553786^2 + 416129^2 .

It is a cyclic number.

It is not a de Polignac number, because 479842278437 - 2¹⁶ = 479842212901 is a prime.

It is a super-2 number, since 2×479842278437² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479842278337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239921139218 + 239921139219.

It is an arithmetic number, because the mean of its divisors is an integer number (239921139219).

Almost surely, 2^479842278437 is an apocalyptic number.

It is an amenable number.

479842278437 is a deficient number, since it is larger than the sum of its proper divisors (1).

479842278437 is an equidigital number, since it uses as much as digits as its factorization.

479842278437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151732224, while the sum is 65.

The spelling of 479842278437 in words is "four hundred seventy-nine billion, eight hundred forty-two million, two hundred seventy-eight thousand, four hundred thirty-seven".