2045653177918 has 16 divisors (see below), whose sum is σ = 3506857795584. Its totient is φ = 876702560760.

The previous prime is 2045653177907. The next prime is 2045653177949. The reversal of 2045653177918 is 8197713565402.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2119171 + ... + 2929537.

It is an arithmetic number, because the mean of its divisors is an integer number (219178612224).

It is a 1-persistent number, because it is pandigital, but 2⋅2045653177918 = 4091306355836 is not.

Almost surely, 2^{2045653177918} is an apocalyptic number.

2045653177918 is a deficient number, since it is larger than the sum of its proper divisors (1461204617666).

2045653177918 is a wasteful number, since it uses less digits than its factorization.

2045653177918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990687.

The product of its (nonzero) digits is 12700800, while the sum is 58.

The spelling of 2045653177918 in words is "two trillion, forty-five billion, six hundred fifty-three million, one hundred seventy-seven thousand, nine hundred eighteen".