45900371395621 has 2 divisors, whose sum is σ = 45900371395622. Its totient is φ = 45900371395620.

The previous prime is 45900371395531. The next prime is 45900371395633. The reversal of 45900371395621 is 12659317300954.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44131242628225 + 1769128767396 = 6643135^2 + 1330086^2 .

It is a cyclic number.

It is not a de Polignac number, because 45900371395621 - 2⁷ = 45900371395493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45900371395421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22950185697810 + 22950185697811.

It is an arithmetic number, because the mean of its divisors is an integer number (22950185697811).

Almost surely, 2^{45900371395621} is an apocalyptic number.

It is an amenable number.

45900371395621 is a deficient number, since it is larger than the sum of its proper divisors (1).

45900371395621 is an equidigital number, since it uses as much as digits as its factorization.

45900371395621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6123600, while the sum is 55.

The spelling of 45900371395621 in words is "forty-five trillion, nine hundred billion, three hundred seventy-one million, three hundred ninety-five thousand, six hundred twenty-one".