426746880037 has 2 divisors, whose sum is σ = 426746880038. Its totient is φ = 426746880036.

The previous prime is 426746880031. The next prime is 426746880103. The reversal of 426746880037 is 730088647624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 411940614276 + 14806265761 = 641826^2 + 121681^2 .

It is a cyclic number.

It is not a de Polignac number, because 426746880037 - 2³ = 426746880029 is a prime.

It is a super-2 number, since 2×426746880037² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 426746880037.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426746880031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213373440018 + 213373440019.

It is an arithmetic number, because the mean of its divisors is an integer number (213373440019).

Almost surely, 2^426746880037 is an apocalyptic number.

It is an amenable number.

426746880037 is a deficient number, since it is larger than the sum of its proper divisors (1).

426746880037 is an equidigital number, since it uses as much as digits as its factorization.

426746880037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10838016, while the sum is 55.

The spelling of 426746880037 in words is "four hundred twenty-six billion, seven hundred forty-six million, eight hundred eighty thousand, thirty-seven".