2045431029658 has 32 divisors (see below), whose sum is σ = 3241674888192. Its totient is φ = 966689251200.

The previous prime is 2045431029647. The next prime is 2045431029679. The reversal of 2045431029658 is 8569201345402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1727653 + ... + 2660008.

It is an arithmetic number, because the mean of its divisors is an integer number (101302340256).

Almost surely, 2^{2045431029658} is an apocalyptic number.

2045431029658 is a deficient number, since it is larger than the sum of its proper divisors (1196243858534).

2045431029658 is a wasteful number, since it uses less digits than its factorization.

2045431029658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4387870.

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 2045431029658 in words is "two trillion, forty-five billion, four hundred thirty-one million, twenty-nine thousand, six hundred fifty-eight".