2985691849892 has 6 divisors (see below), whose sum is σ = 5224960737318. Its totient is φ = 1492845924944.

The previous prime is 2985691849883. The next prime is 2985691849919. The reversal of 2985691849892 is 2989481965892.

It can be written as a sum of positive squares in only one way, i.e., 2597306131456 + 388385718436 = 1611616^2 + 623206^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373211481233 + ... + 373211481240.

It is an arithmetic number, because the mean of its divisors is an integer number (870826789553).

Almost surely, 2^{2985691849892} is an apocalyptic number.

It is an amenable number.

2985691849892 is a deficient number, since it is larger than the sum of its proper divisors (2239268887426).

2985691849892 is a wasteful number, since it uses less digits than its factorization.

2985691849892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746422962477 (or 746422962475 counting only the distinct ones).

The product of its digits is 1612431360, while the sum is 80.

The spelling of 2985691849892 in words is "two trillion, nine hundred eighty-five billion, six hundred ninety-one million, eight hundred forty-nine thousand, eight hundred ninety-two".