2051869050190 has 16 divisors (see below), whose sum is σ = 3783446346960. Its totient is φ = 800729385280.

The previous prime is 2051869050163. The next prime is 2051869050221. The reversal of 2051869050190 is 910509681502.

It is a super-2 number, since 2×2051869050190² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2051869050190.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2502278920 + ... + 2502279739.

It is an arithmetic number, because the mean of its divisors is an integer number (236465396685).

Almost surely, 2^{2051869050190} is an apocalyptic number.

2051869050190 is a deficient number, since it is larger than the sum of its proper divisors (1731577296770).

2051869050190 is a wasteful number, since it uses less digits than its factorization.

2051869050190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5004558707.

The product of its (nonzero) digits is 194400, while the sum is 46.

The spelling of 2051869050190 in words is "two trillion, fifty-one billion, eight hundred sixty-nine million, fifty thousand, one hundred ninety".