2145749708934 has 32 divisors (see below), whose sum is σ = 5135127510240. Its totient is φ = 660230679456.

The previous prime is 2145749708929. The next prime is 2145749708941. The reversal of 2145749708934 is 4398079475412.

2145749708934 is a `hidden beast` number, since 2 + 1 + 4 + 57 + 497 + 0 + 8 + 93 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1528311057 + ... + 1528312460.

It is an arithmetic number, because the mean of its divisors is an integer number (160472734695).

Almost surely, 2^{2145749708934} is an apocalyptic number.

2145749708934 is an abundant number, since it is smaller than the sum of its proper divisors (2989377801306).

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

2145749708934 is a wasteful number, since it uses less digits than its factorization.

2145749708934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056623541 (or 3056623535 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 63.

The spelling of 2145749708934 in words is "two trillion, one hundred forty-five billion, seven hundred forty-nine million, seven hundred eight thousand, nine hundred thirty-four".