274674945491 has 8 divisors (see below), whose sum is σ = 276476606640. Its totient is φ = 272878607872.

The previous prime is 274674945481. The next prime is 274674945521. The reversal of 274674945491 is 194549476472.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274674945491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274674945451) 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, 1227326 + ... + 1433763.

It is an arithmetic number, because the mean of its divisors is an integer number (34559575830).

Almost surely, 2^274674945491 is an apocalyptic number.

274674945491 is a deficient number, since it is larger than the sum of its proper divisors (1801661149).

274674945491 is a wasteful number, since it uses less digits than its factorization.

274674945491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661765.

The product of its digits is 60963840, while the sum is 62.

The spelling of 274674945491 in words is "two hundred seventy-four billion, six hundred seventy-four million, nine hundred forty-five thousand, four hundred ninety-one".