275643552641351 has 4 divisors (see below), whose sum is σ = 277236867974712. Its totient is φ = 274050237307992.

The previous prime is 275643552641339. The next prime is 275643552641383. The reversal of 275643552641351 is 153146255346572.

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 275643552641351 - 2¹⁰ = 275643552640327 is a prime.

It is a super-2 number, since 2×275643552641351² (a number of 30 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 (275643552641551) 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, 796657666421 + ... + 796657666766.

It is an arithmetic number, because the mean of its divisors is an integer number (69309216993678).

Almost surely, 2^{275643552641351} is an apocalyptic number.

275643552641351 is a deficient number, since it is larger than the sum of its proper divisors (1593315333361).

275643552641351 is a wasteful number, since it uses less digits than its factorization.

275643552641351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593315333360.

The product of its digits is 90720000, while the sum is 59.

The spelling of 275643552641351 in words is "two hundred seventy-five trillion, six hundred forty-three billion, five hundred fifty-two million, six hundred forty-one thousand, three hundred fifty-one".