2973722656413 has 16 divisors (see below), whose sum is σ = 4009946204160. Its totient is φ = 1959995245824.

The previous prime is 2973722656403. The next prime is 2973722656433. The reversal of 2973722656413 is 3146562273792.

It is not a de Polignac number, because 2973722656413 - 2⁵ = 2973722656381 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2973722656403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1898545 + ... + 3090617.

It is an arithmetic number, because the mean of its divisors is an integer number (250621637760).

Almost surely, 2^{2973722656413} is an apocalyptic number.

It is an amenable number.

2973722656413 is a deficient number, since it is larger than the sum of its proper divisors (1036223547747).

2973722656413 is a wasteful number, since it uses less digits than its factorization.

2973722656413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201508.

The product of its digits is 22861440, while the sum is 57.

The spelling of 2973722656413 in words is "two trillion, nine hundred seventy-three billion, seven hundred twenty-two million, six hundred fifty-six thousand, four hundred thirteen".