275000001391 has 16 divisors (see below), whose sum is σ = 278808791040. Its totient is φ = 271214092800.

The previous prime is 275000001389. The next prime is 275000001431. The reversal of 275000001391 is 193100000572.

It is a cyclic number.

It is not a de Polignac number, because 275000001391 - 2¹ = 275000001389 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 (275000091391) 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, 43530165 + ... + 43536481.

It is an arithmetic number, because the mean of its divisors is an integer number (17425549440).

Almost surely, 2^275000001391 is an apocalyptic number.

275000001391 is a deficient number, since it is larger than the sum of its proper divisors (3808789649).

275000001391 is a wasteful number, since it uses less digits than its factorization.

275000001391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8034.

The product of its (nonzero) digits is 1890, while the sum is 28.

The spelling of 275000001391 in words is "two hundred seventy-five billion, one thousand, three hundred ninety-one".