340972982091 has 24 divisors (see below), whose sum is σ = 562904735744. Its totient is φ = 194831768880.

The previous prime is 340972982041. The next prime is 340972982099. The reversal of 340972982091 is 190289279043.

340972982091 is a `hidden beast` number, since 3 + 409 + 7 + 29 + 8 + 209 + 1 = 666.

It is not a de Polignac number, because 340972982091 - 2⁶ = 340972982027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340972982099) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1211196 + ... + 1465926.

Almost surely, 2^340972982091 is an apocalyptic number.

340972982091 is a deficient number, since it is larger than the sum of its proper divisors (221931753653).

340972982091 is a wasteful number, since it uses less digits than its factorization.

340972982091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275991 (or 275988 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 340972982091 in words is "three hundred forty billion, nine hundred seventy-two million, nine hundred eighty-two thousand, ninety-one".