1900190568676 has 9 divisors (see below), whose sum is σ = 3325338319849. Its totient is φ = 950093905864.

The previous prime is 1900190568643. The next prime is 1900190568697. The reversal of 1900190568676 is 6768650910091.

The square root of 1900190568676 is 1378474.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1488570804900 + 411619763776 = 1220070^2 + 641576^2 .

It is a super-2 number, since 2×1900190568676² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1900190568676.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2412330 + ... + 3101566.

Almost surely, 2^{1900190568676} is an apocalyptic number.

1900190568676 is the 1378474-th square number.

It is an amenable number.

1900190568676 is a deficient number, since it is larger than the sum of its proper divisors (1425147751173).

1900190568676 is an frugal number, since it uses more digits than its factorization.

1900190568676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378478 (or 689239 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 58.

The spelling of 1900190568676 in words is "one trillion, nine hundred billion, one hundred ninety million, five hundred sixty-eight thousand, six hundred seventy-six".