45180450619 has 2 divisors, whose sum is σ = 45180450620. Its totient is φ = 45180450618.

The previous prime is 45180450551. The next prime is 45180450629. The reversal of 45180450619 is 91605408154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45180450619 - 2²³ = 45172062011 is a prime.

It is a super-2 number, since 2×45180450619² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45180450629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22590225309 + 22590225310.

It is an arithmetic number, because the mean of its divisors is an integer number (22590225310).

Almost surely, 2^45180450619 is an apocalyptic number.

45180450619 is a deficient number, since it is larger than the sum of its proper divisors (1).

45180450619 is an equidigital number, since it uses as much as digits as its factorization.

45180450619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 45180450619 in words is "forty-five billion, one hundred eighty million, four hundred fifty thousand, six hundred nineteen".