2045610899638 has 16 divisors (see below), whose sum is σ = 3090004127280. Its totient is φ = 1015634729376.

The previous prime is 2045610899539. The next prime is 2045610899669. The reversal of 2045610899638 is 8369980165402.

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, 6138768 + ... + 6463411.

It is an arithmetic number, because the mean of its divisors is an integer number (193125257955).

Almost surely, 2^{2045610899638} is an apocalyptic number.

2045610899638 is a deficient number, since it is larger than the sum of its proper divisors (1044393227642).

2045610899638 is a wasteful number, since it uses less digits than its factorization.

2045610899638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12602751.

The product of its (nonzero) digits is 22394880, while the sum is 61.

The spelling of 2045610899638 in words is "two trillion, forty-five billion, six hundred ten million, eight hundred ninety-nine thousand, six hundred thirty-eight".