45361861687 has 4 divisors (see below), whose sum is σ = 45364180896. Its totient is φ = 45359542480.

The previous prime is 45361861663. The next prime is 45361861693. The reversal of 45361861687 is 78616816354.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45361861687 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 (45361861627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1130014 + ... + 1169467.

It is an arithmetic number, because the mean of its divisors is an integer number (11341045224).

Almost surely, 2^45361861687 is an apocalyptic number.

45361861687 is a deficient number, since it is larger than the sum of its proper divisors (2319209).

45361861687 is a wasteful number, since it uses less digits than its factorization.

45361861687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319208.

The product of its digits is 5806080, while the sum is 55.

The spelling of 45361861687 in words is "forty-five billion, three hundred sixty-one million, eight hundred sixty-one thousand, six hundred eighty-seven".