6726261251 has 4 divisors (see below), whose sum is σ = 6726962904. Its totient is φ = 6725559600.

The previous prime is 6726261211. The next prime is 6726261277. The reversal of 6726261251 is 1521626276.

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

It is a cyclic number.

It is not a de Polignac number, because 6726261251 - 2¹⁰ = 6726260227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6726261211) 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, 336245 + ... + 355686.

It is an arithmetic number, because the mean of its divisors is an integer number (1681740726).

Almost surely, 2^6726261251 is an apocalyptic number.

6726261251 is a deficient number, since it is larger than the sum of its proper divisors (701653).

6726261251 is an equidigital number, since it uses as much as digits as its factorization.

6726261251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701652.

The product of its digits is 60480, while the sum is 38.

The square root of 6726261251 is about 82013.7869568282. The cubic root of 6726261251 is about 1887.6634948417.

The spelling of 6726261251 in words is "six billion, seven hundred twenty-six million, two hundred sixty-one thousand, two hundred fifty-one".