46406626421 has 2 divisors, whose sum is σ = 46406626422. Its totient is φ = 46406626420.

The previous prime is 46406626411. The next prime is 46406626433. The reversal of 46406626421 is 12462660464.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23970780625 + 22435845796 = 154825^2 + 149786^2 .

It is a cyclic number.

It is not a de Polignac number, because 46406626421 - 2¹⁴ = 46406610037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46406626411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23203313210 + 23203313211.

It is an arithmetic number, because the mean of its divisors is an integer number (23203313211).

Almost surely, 2^46406626421 is an apocalyptic number.

It is an amenable number.

46406626421 is a deficient number, since it is larger than the sum of its proper divisors (1).

46406626421 is an equidigital number, since it uses as much as digits as its factorization.

46406626421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 46406626421 in words is "forty-six billion, four hundred six million, six hundred twenty-six thousand, four hundred twenty-one".