1900207090834 has 16 divisors (see below), whose sum is σ = 3127481629272. Its totient is φ = 860471134848.

The previous prime is 1900207090829. The next prime is 1900207090853. The reversal of 1900207090834 is 4380907020091.

It can be written as a sum of positive squares in 4 ways, for example, as 1869194824225 + 31012266609 = 1367185^2 + 176103^2 .

It is a super-2 number, since 2×1900207090834² (a number of 25 digits) contains 22 as substring.

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, 689478699 + ... + 689481454.

Almost surely, 2^{1900207090834} is an apocalyptic number.

1900207090834 is a deficient number, since it is larger than the sum of its proper divisors (1227274538438).

1900207090834 is a wasteful number, since it uses less digits than its factorization.

1900207090834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378960221.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 1900207090834 in words is "one trillion, nine hundred billion, two hundred seven million, ninety thousand, eight hundred thirty-four".