45427908829 has 4 divisors (see below), whose sum is σ = 45896237884. Its totient is φ = 44959579776.

The previous prime is 45427908791. The next prime is 45427908899. The reversal of 45427908829 is 92880972454.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92880972454 = 2 ⋅46440486227.

It can be written as a sum of positive squares in 2 ways, for example, as 12482028729 + 32945880100 = 111723^2 + 181510^2 .

It is a cyclic number.

It is not a de Polignac number, because 45427908829 - 2²³ = 45419520221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45427908899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234164382 + ... + 234164575.

It is an arithmetic number, because the mean of its divisors is an integer number (11474059471).

Almost surely, 2^45427908829 is an apocalyptic number.

It is an amenable number.

45427908829 is a deficient number, since it is larger than the sum of its proper divisors (468329055).

45427908829 is an equidigital number, since it uses as much as digits as its factorization.

45427908829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468329054.

The product of its (nonzero) digits is 11612160, while the sum is 58.

The spelling of 45427908829 in words is "forty-five billion, four hundred twenty-seven million, nine hundred eight thousand, eight hundred twenty-nine".