2573501332816 has 20 divisors (see below), whose sum is σ = 5035526744724. Its totient is φ = 1274010560000.

The previous prime is 2573501332793. The next prime is 2573501332817. The reversal of 2573501332816 is 6182331053752.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2025486854416 + 548014478400 = 1423196^2 + 740280^2 .

It is a super-2 number, since 2×2573501332816² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2573501332817) 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, 796254985 + ... + 796258216.

Almost surely, 2^{2573501332816} is an apocalyptic number.

It is an amenable number.

2573501332816 is a deficient number, since it is larger than the sum of its proper divisors (2462025411908).

2573501332816 is a wasteful number, since it uses less digits than its factorization.

2573501332816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592513310 (or 1592513304 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 2573501332816 in words is "two trillion, five hundred seventy-three billion, five hundred one million, three hundred thirty-two thousand, eight hundred sixteen".