1904890755119 has 4 divisors (see below), whose sum is σ = 2078062641960. Its totient is φ = 1731718868280.

The previous prime is 1904890755113. The next prime is 1904890755139. The reversal of 1904890755119 is 9115570984091.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1904890755119 is a prime.

It is a super-2 number, since 2×1904890755119² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1904890755113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86585943404 + ... + 86585943425.

It is an arithmetic number, because the mean of its divisors is an integer number (519515660490).

Almost surely, 2^{1904890755119} is an apocalyptic number.

1904890755119 is a deficient number, since it is larger than the sum of its proper divisors (173171886841).

1904890755119 is a wasteful number, since it uses less digits than its factorization.

1904890755119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173171886840.

The product of its (nonzero) digits is 4082400, while the sum is 59.

The spelling of 1904890755119 in words is "one trillion, nine hundred four billion, eight hundred ninety million, seven hundred fifty-five thousand, one hundred nineteen".