2720954813 has 4 divisors (see below), whose sum is σ = 2723723808. Its totient is φ = 2718185820.

The previous prime is 2720954801. The next prime is 2720954827. The reversal of 2720954813 is 3184590272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2720954813 - 2⁶ = 2720954749 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 (2720954833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1383023 + ... + 1384988.

It is an arithmetic number, because the mean of its divisors is an integer number (680930952).

Almost surely, 2^2720954813 is an apocalyptic number.

It is an amenable number.

2720954813 is a deficient number, since it is larger than the sum of its proper divisors (2768995).

2720954813 is an equidigital number, since it uses as much as digits as its factorization.

2720954813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768994.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 2720954813 is about 52162.7722902071. The cubic root of 2720954813 is about 1396.0697272323.

The spelling of 2720954813 in words is "two billion, seven hundred twenty million, nine hundred fifty-four thousand, eight hundred thirteen".