2712662621 has 4 divisors (see below), whose sum is σ = 2713387644. Its totient is φ = 2711937600.

The previous prime is 2712662593. The next prime is 2712662627. The reversal of 2712662621 is 1262662172.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 363321721 + 2349340900 = 19061^2 + 48470^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2712662621 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 (2712662627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356870 + ... + 364391.

It is an arithmetic number, because the mean of its divisors is an integer number (678346911).

Almost surely, 2^2712662621 is an apocalyptic number.

It is an amenable number.

2712662621 is a deficient number, since it is larger than the sum of its proper divisors (725023).

2712662621 is an equidigital number, since it uses as much as digits as its factorization.

2712662621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725022.

The product of its digits is 24192, while the sum is 35.

The square root of 2712662621 is about 52083.2278281598. The cubic root of 2712662621 is about 1394.6500959068.

The spelling of 2712662621 in words is "two billion, seven hundred twelve million, six hundred sixty-two thousand, six hundred twenty-one".