2722256526513 has 4 divisors (see below), whose sum is σ = 3629675368688. Its totient is φ = 1814837684340.

The previous prime is 2722256526497. The next prime is 2722256526547. The reversal of 2722256526513 is 3156256522272.

It is a happy number.

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 not a de Polignac number, because 2722256526513 - 2⁴ = 2722256526497 is a prime.

It is a super-2 number, since 2×2722256526513² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2722256526593) 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, 453709421083 + ... + 453709421088.

It is an arithmetic number, because the mean of its divisors is an integer number (907418842172).

Almost surely, 2^{2722256526513} is an apocalyptic number.

It is an amenable number.

2722256526513 is a deficient number, since it is larger than the sum of its proper divisors (907418842175).

2722256526513 is an equidigital number, since it uses as much as digits as its factorization.

2722256526513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907418842174.

The product of its digits is 3024000, while the sum is 48.

The spelling of 2722256526513 in words is "two trillion, seven hundred twenty-two billion, two hundred fifty-six million, five hundred twenty-six thousand, five hundred thirteen".