2917452077821 has 16 divisors (see below), whose sum is σ = 3117046989760. Its totient is φ = 2722467179520.

The previous prime is 2917452077803. The next prime is 2917452077851. The reversal of 2917452077821 is 1287702547192.

It is a cyclic number.

It is not a de Polignac number, because 2917452077821 - 2⁵ = 2917452077789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2917452077851) 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, 21242845 + ... + 21379741.

It is an arithmetic number, because the mean of its divisors is an integer number (194815436860).

Almost surely, 2^{2917452077821} is an apocalyptic number.

It is an amenable number.

2917452077821 is a deficient number, since it is larger than the sum of its proper divisors (199594911939).

2917452077821 is a wasteful number, since it uses less digits than its factorization.

2917452077821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153724.

The product of its (nonzero) digits is 3951360, while the sum is 55.

The spelling of 2917452077821 in words is "two trillion, nine hundred seventeen billion, four hundred fifty-two million, seventy-seven thousand, eight hundred twenty-one".