1909196101932 has 48 divisors (see below), whose sum is σ = 5091360583680. Its totient is φ = 545466281472.

The previous prime is 1909196101931. The next prime is 1909196101937. The reversal of 1909196101932 is 2391016919091.

It is not an unprimeable number, because it can be changed into a prime (1909196101931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2241148 + ... + 2973404.

It is an arithmetic number, because the mean of its divisors is an integer number (106070012160).

Almost surely, 2^{1909196101932} is an apocalyptic number.

1909196101932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1909196101932 is an abundant number, since it is smaller than the sum of its proper divisors (3182164481748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1909196101932 is a wasteful number, since it uses less digits than its factorization.

1909196101932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763310 (or 763308 counting only the distinct ones).

The product of its (nonzero) digits is 236196, while the sum is 51.

The spelling of 1909196101932 in words is "one trillion, nine hundred nine billion, one hundred ninety-six million, one hundred one thousand, nine hundred thirty-two".