46455919621 has 2 divisors, whose sum is σ = 46455919622. Its totient is φ = 46455919620.

The previous prime is 46455919603. The next prime is 46455919673. The reversal of 46455919621 is 12691955464.

It is an a-pointer prime, because the next prime (46455919673) can be obtained adding 46455919621 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28314792900 + 18141126721 = 168270^2 + 134689^2 .

It is a cyclic number.

It is not a de Polignac number, because 46455919621 - 2¹³ = 46455911429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46455919121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23227959810 + 23227959811.

It is an arithmetic number, because the mean of its divisors is an integer number (23227959811).

Almost surely, 2^46455919621 is an apocalyptic number.

It is an amenable number.

46455919621 is a deficient number, since it is larger than the sum of its proper divisors (1).

46455919621 is an equidigital number, since it uses as much as digits as its factorization.

46455919621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2332800, while the sum is 52.

The spelling of 46455919621 in words is "forty-six billion, four hundred fifty-five million, nine hundred nineteen thousand, six hundred twenty-one".