45909136429 has 16 divisors (see below), whose sum is σ = 52410465072. Its totient is φ = 39837938688.

The previous prime is 45909136421. The next prime is 45909136457. The reversal of 45909136429 is 92463190954.

It can be written as a sum of positive squares in 8 ways, for example, as 39062500 + 45870073929 = 6250^2 + 214173^2 .

It is a cyclic number.

It is not a de Polignac number, because 45909136429 - 2³ = 45909136421 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 (45909136421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66747 + ... + 310279.

It is an arithmetic number, because the mean of its divisors is an integer number (3275654067).

Almost surely, 2^45909136429 is an apocalyptic number.

It is an amenable number.

45909136429 is a deficient number, since it is larger than the sum of its proper divisors (6501328643).

45909136429 is a wasteful number, since it uses less digits than its factorization.

45909136429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244416.

The product of its (nonzero) digits is 2099520, while the sum is 52.

The spelling of 45909136429 in words is "forty-five billion, nine hundred nine million, one hundred thirty-six thousand, four hundred twenty-nine".