2651270276257 has 4 divisors (see below), whose sum is σ = 2677010764480. Its totient is φ = 2625529788036.

The previous prime is 2651270276233. The next prime is 2651270276279. The reversal of 2651270276257 is 7526720721562.

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 a de Polignac number, because none of the positive numbers 2^k-2651270276257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2651270276297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12870243957 + ... + 12870244162.

It is an arithmetic number, because the mean of its divisors is an integer number (669252691120).

Almost surely, 2^{2651270276257} is an apocalyptic number.

It is an amenable number.

2651270276257 is a deficient number, since it is larger than the sum of its proper divisors (25740488223).

2651270276257 is a wasteful number, since it uses less digits than its factorization.

2651270276257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25740488222.

The product of its (nonzero) digits is 4939200, while the sum is 52.

The spelling of 2651270276257 in words is "two trillion, six hundred fifty-one billion, two hundred seventy million, two hundred seventy-six thousand, two hundred fifty-seven".