45887209369 has 3 divisors (see below), whose sum is σ = 45887423583. Its totient is φ = 45886995156.

The previous prime is 45887209363. The next prime is 45887209373. The reversal of 45887209369 is 96390278854.

The square root of 45887209369 is 214213.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 3043177225 + 42844032144 = 55165^2 + 206988^2 .

It is not a de Polignac number, because 45887209369 - 2⁷ = 45887209241 is a prime.

It is a super-2 number, since 2×45887209369² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45887209363) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 107107 + ... + 321319.

It is an arithmetic number, because the mean of its divisors is an integer number (15295807861).

Almost surely, 2^45887209369 is an apocalyptic number.

45887209369 is the 214213-rd square number.

45887209369 is the 107107-th centered octagonal number.

It is an amenable number.

45887209369 is a deficient number, since it is larger than the sum of its proper divisors (214214).

45887209369 is an frugal number, since it uses more digits than its factorization.

45887209369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428426 (or 214213 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 61.

The spelling of 45887209369 in words is "forty-five billion, eight hundred eighty-seven million, two hundred nine thousand, three hundred sixty-nine".