274679066551 has 8 divisors (see below), whose sum is σ = 275021067008. Its totient is φ = 274337280000.

The previous prime is 274679066509. The next prime is 274679066561. The reversal of 274679066551 is 155660976472.

274679066551 = T₄₂₇₉₂₃ + T₄₂₇₉₂₄ + T₄₂₇₉₂₅.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 12-Lehmer number, since φ(274679066551) divides (274679066551-1)¹².

It is a cyclic number.

It is not a de Polignac number, because 274679066551 - 2¹⁹ = 274678542263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274679066561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2597431 + ... + 2701111.

It is an arithmetic number, because the mean of its divisors is an integer number (34377633376).

Almost surely, 2^274679066551 is an apocalyptic number.

274679066551 is the 427925-th centered triangular number.

274679066551 is a deficient number, since it is larger than the sum of its proper divisors (342000457).

274679066551 is a wasteful number, since it uses less digits than its factorization.

274679066551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106953.

The product of its (nonzero) digits is 19051200, while the sum is 58.

The spelling of 274679066551 in words is "two hundred seventy-four billion, six hundred seventy-nine million, sixty-six thousand, five hundred fifty-one".