45641237249 has 4 divisors (see below), whose sum is σ = 45870590400. Its totient is φ = 45411884100.

The previous prime is 45641237231. The next prime is 45641237273. The reversal of 45641237249 is 94273214654.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45641237249 - 2¹² = 45641233153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45641237209) 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, 114676277 + ... + 114676674.

It is an arithmetic number, because the mean of its divisors is an integer number (11467647600).

Almost surely, 2^45641237249 is an apocalyptic number.

It is an amenable number.

45641237249 is a deficient number, since it is larger than the sum of its proper divisors (229353151).

45641237249 is a wasteful number, since it uses less digits than its factorization.

45641237249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229353150.

The product of its digits is 1451520, while the sum is 47.

The spelling of 45641237249 in words is "forty-five billion, six hundred forty-one million, two hundred thirty-seven thousand, two hundred forty-nine".