1899196953753 has 24 divisors (see below), whose sum is σ = 2873183074048. Its totient is φ = 1113898500000.

The previous prime is 1899196953727. The next prime is 1899196953767. The reversal of 1899196953753 is 3573596919981.

It is not a de Polignac number, because 1899196953753 - 2²⁰ = 1899195905177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1899196953253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84374998 + ... + 84397503.

Almost surely, 2^{1899196953753} is an apocalyptic number.

It is an amenable number.

1899196953753 is a deficient number, since it is larger than the sum of its proper divisors (973986120295).

1899196953753 is a wasteful number, since it uses less digits than its factorization.

1899196953753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168772557 (or 168772546 counting only the distinct ones).

The product of its digits is 496011600, while the sum is 75.

The spelling of 1899196953753 in words is "one trillion, eight hundred ninety-nine billion, one hundred ninety-six million, nine hundred fifty-three thousand, seven hundred fifty-three".