2145430659888 has 60 divisors (see below), whose sum is σ = 6320237990040. Its totient is φ = 677504418048.

The previous prime is 2145430659877. The next prime is 2145430659899. The reversal of 2145430659888 is 8889560345412.

2145430659888 is a `hidden beast` number, since 2 + 1 + 4 + 5 + 4 + 30 + 6 + 598 + 8 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (2145430659877) and next prime (2145430659899).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 392071581 + ... + 392077052.

It is an arithmetic number, because the mean of its divisors is an integer number (105337299834).

Almost surely, 2^{2145430659888} is an apocalyptic number.

It is an amenable number.

2145430659888 is an abundant number, since it is smaller than the sum of its proper divisors (4174807330152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2145430659888 is a wasteful number, since it uses less digits than its factorization.

2145430659888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784148666 (or 784148657 counting only the distinct ones).

The product of its (nonzero) digits is 66355200, while the sum is 63.

The spelling of 2145430659888 in words is "two trillion, one hundred forty-five billion, four hundred thirty million, six hundred fifty-nine thousand, eight hundred eighty-eight".