274028396545 has 32 divisors (see below), whose sum is σ = 341294284800. Its totient is φ = 210995928000.

The previous prime is 274028396527. The next prime is 274028396561. The reversal of 274028396545 is 545693820472.

It is a happy number.

It is not a de Polignac number, because 274028396545 - 2⁷ = 274028396417 is a prime.

It is a super-2 number, since 2×274028396545² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25155550 + ... + 25166440.

It is an arithmetic number, because the mean of its divisors is an integer number (10665446400).

Almost surely, 2^274028396545 is an apocalyptic number.

It is an amenable number.

274028396545 is a deficient number, since it is larger than the sum of its proper divisors (67265888255).

274028396545 is a wasteful number, since it uses less digits than its factorization.

274028396545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11797.

The product of its (nonzero) digits is 14515200, while the sum is 55.

The spelling of 274028396545 in words is "two hundred seventy-four billion, twenty-eight million, three hundred ninety-six thousand, five hundred forty-five".