275452897749 has 16 divisors (see below), whose sum is σ = 375842227200. Its totient is φ = 179350110576.

The previous prime is 275452897673. The next prime is 275452897751. The reversal of 275452897749 is 947798254572.

It is a de Polignac number, because none of the positive numbers 2^k-275452897749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275452897789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1640692 + ... + 1800770.

It is an arithmetic number, because the mean of its divisors is an integer number (23490139200).

Almost surely, 2^275452897749 is an apocalyptic number.

It is an amenable number.

275452897749 is a deficient number, since it is larger than the sum of its proper divisors (100389329451).

275452897749 is a wasteful number, since it uses less digits than its factorization.

275452897749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173464.

The product of its digits is 355622400, while the sum is 69.

The spelling of 275452897749 in words is "two hundred seventy-five billion, four hundred fifty-two million, eight hundred ninety-seven thousand, seven hundred forty-nine".