275914986791 has 4 divisors (see below), whose sum is σ = 281120929992. Its totient is φ = 270709043592.

The previous prime is 275914986773. The next prime is 275914986877. The reversal of 275914986791 is 197689419572.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275914986791 is a prime.

It is a super-2 number, since 2×275914986791² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275914986701) 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, 2602971521 + ... + 2602971626.

It is an arithmetic number, because the mean of its divisors is an integer number (70280232498).

Almost surely, 2^275914986791 is an apocalyptic number.

275914986791 is a deficient number, since it is larger than the sum of its proper divisors (5205943201).

275914986791 is an equidigital number, since it uses as much as digits as its factorization.

275914986791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5205943200.

The product of its digits is 68584320, while the sum is 68.

The spelling of 275914986791 in words is "two hundred seventy-five billion, nine hundred fourteen million, nine hundred eighty-six thousand, seven hundred ninety-one".