17900761149 has 24 divisors (see below), whose sum is σ = 27003300480. Its totient is φ = 11405483232.

The previous prime is 17900761147. The next prime is 17900761157. The reversal of 17900761149 is 94116700971.

It is not a de Polignac number, because 17900761149 - 2¹ = 17900761147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17900761147) 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, 217807 + ... + 288515.

It is an arithmetic number, because the mean of its divisors is an integer number (1125137520).

Almost surely, 2^17900761149 is an apocalyptic number.

It is an amenable number.

17900761149 is a deficient number, since it is larger than the sum of its proper divisors (9102539331).

17900761149 is a wasteful number, since it uses less digits than its factorization.

17900761149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71961 (or 71958 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 45.

The spelling of 17900761149 in words is "seventeen billion, nine hundred million, seven hundred sixty-one thousand, one hundred forty-nine".