2090904248638 has 8 divisors (see below), whose sum is σ = 3153877917480. Its totient is φ = 1039611609480.

The previous prime is 2090904248621. The next prime is 2090904248677. The reversal of 2090904248638 is 8368424090902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2920256973 + ... + 2920257688.

It is an arithmetic number, because the mean of its divisors is an integer number (394234739685).

Almost surely, 2^{2090904248638} is an apocalyptic number.

2090904248638 is a deficient number, since it is larger than the sum of its proper divisors (1062973668842).

2090904248638 is a wasteful number, since it uses less digits than its factorization.

2090904248638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5840514842.

The product of its (nonzero) digits is 5971968, while the sum is 55.

The spelling of 2090904248638 in words is "two trillion, ninety billion, nine hundred four million, two hundred forty-eight thousand, six hundred thirty-eight".