3573721299733 has 8 divisors (see below), whose sum is σ = 3850833544376. Its totient is φ = 3296924856000.

The previous prime is 3573721299667. The next prime is 3573721299751. The reversal of 3573721299733 is 3379921273753.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 134617811409 + 3439103488324 = 366903^2 + 1854482^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3573721299733 - 2⁹ = 3573721299221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3573721299763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78926718 + ... + 78971983.

It is an arithmetic number, because the mean of its divisors is an integer number (481354193047).

Almost surely, 2^{3573721299733} is an apocalyptic number.

It is an amenable number.

3573721299733 is a deficient number, since it is larger than the sum of its proper divisors (277112244643).

3573721299733 is a wasteful number, since it uses less digits than its factorization.

3573721299733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157900455.

The product of its digits is 45008460, while the sum is 61.

The spelling of 3573721299733 in words is "three trillion, five hundred seventy-three billion, seven hundred twenty-one million, two hundred ninety-nine thousand, seven hundred thirty-three".