2772274310621 has 8 divisors (see below), whose sum is σ = 2819422240704. Its totient is φ = 2725351431040.

The previous prime is 2772274310593. The next prime is 2772274310623. The reversal of 2772274310621 is 1260134722772.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2772274310621 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 (2772274310623) 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, 56237780 + ... + 56287053.

It is an arithmetic number, because the mean of its divisors is an integer number (352427780088).

Almost surely, 2^{2772274310621} is an apocalyptic number.

It is an amenable number.

2772274310621 is a deficient number, since it is larger than the sum of its proper divisors (47147930083).

2772274310621 is a wasteful number, since it uses less digits than its factorization.

2772274310621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112525251.

The product of its (nonzero) digits is 395136, while the sum is 44.

The spelling of 2772274310621 in words is "two trillion, seven hundred seventy-two billion, two hundred seventy-four million, three hundred ten thousand, six hundred twenty-one".