46254427421 has 2 divisors, whose sum is σ = 46254427422. Its totient is φ = 46254427420.

The previous prime is 46254427409. The next prime is 46254427493. The reversal of 46254427421 is 12472445264.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43662192025 + 2592235396 = 208955^2 + 50914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46254427421 is a prime.

It is a super-2 number, since 2×46254427421² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46254423421) 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, 23127213710 + 23127213711.

It is an arithmetic number, because the mean of its divisors is an integer number (23127213711).

Almost surely, 2^46254427421 is an apocalyptic number.

It is an amenable number.

46254427421 is a deficient number, since it is larger than the sum of its proper divisors (1).

46254427421 is an equidigital number, since it uses as much as digits as its factorization.

46254427421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 430080, while the sum is 41.

The spelling of 46254427421 in words is "forty-six billion, two hundred fifty-four million, four hundred twenty-seven thousand, four hundred twenty-one".