753649852545 has 48 divisors (see below), whose sum is σ = 1312296757200. Its totient is φ = 400112455680.

The previous prime is 753649852541. The next prime is 753649852583. The reversal of 753649852545 is 545258946357.

753649852545 is a `hidden beast` number, since 7 + 5 + 3 + 6 + 4 + 9 + 85 + 2 + 545 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 2236533264 + 751413319281 = 47292^2 + 866841^2 .

It is not a de Polignac number, because 753649852545 - 2² = 753649852541 is a prime.

It is a super-2 number, since 2×753649852545² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (753649852541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12729271 + ... + 12788339.

It is an arithmetic number, because the mean of its divisors is an integer number (27339515775).

Almost surely, 2^753649852545 is an apocalyptic number.

It is an amenable number.

753649852545 is a deficient number, since it is larger than the sum of its proper divisors (558646904655).

753649852545 is a wasteful number, since it uses less digits than its factorization.

753649852545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60370 (or 60367 counting only the distinct ones).

The product of its digits is 181440000, while the sum is 63.

The spelling of 753649852545 in words is "seven hundred fifty-three billion, six hundred forty-nine million, eight hundred fifty-two thousand, five hundred forty-five".