45340706657 has 4 divisors (see below), whose sum is σ = 45341163540. Its totient is φ = 45340249776.

The previous prime is 45340706651. The next prime is 45340706701. The reversal of 45340706657 is 75660704354.

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, and also an emirpimes, since its reverse is a distinct semiprime: 75660704354 = 2 ⋅37830352177.

It can be written as a sum of positive squares in 2 ways, for example, as 15465658321 + 29875048336 = 124361^2 + 172844^2 .

It is a cyclic number.

It is not a de Polignac number, because 45340706657 - 2⁸ = 45340706401 is a prime.

It is a super-2 number, since 2×45340706657² (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 (45340706651) 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, 9878 + ... + 301295.

It is an arithmetic number, because the mean of its divisors is an integer number (11335290885).

Almost surely, 2^45340706657 is an apocalyptic number.

It is an amenable number.

45340706657 is a deficient number, since it is larger than the sum of its proper divisors (456883).

45340706657 is a wasteful number, since it uses less digits than its factorization.

45340706657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456882.

The product of its (nonzero) digits is 2116800, while the sum is 47.

The spelling of 45340706657 in words is "forty-five billion, three hundred forty million, seven hundred six thousand, six hundred fifty-seven".