45215531653 has 2 divisors, whose sum is σ = 45215531654. Its totient is φ = 45215531652.

The previous prime is 45215531651. The next prime is 45215531671. The reversal of 45215531653 is 35613551254.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42252035809 + 2963495844 = 205553^2 + 54438^2 .

It is a cyclic number.

It is not a de Polignac number, because 45215531653 - 2¹ = 45215531651 is a prime.

Together with 45215531651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45215531651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22607765826 + 22607765827.

It is an arithmetic number, because the mean of its divisors is an integer number (22607765827).

Almost surely, 2^45215531653 is an apocalyptic number.

It is an amenable number.

45215531653 is a deficient number, since it is larger than the sum of its proper divisors (1).

45215531653 is an equidigital number, since it uses as much as digits as its factorization.

45215531653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270000, while the sum is 40.

The spelling of 45215531653 in words is "forty-five billion, two hundred fifteen million, five hundred thirty-one thousand, six hundred fifty-three".