2149829128700 has 36 divisors (see below), whose sum is σ = 5089231867272. Its totient is φ = 781756046400.

The previous prime is 2149829128639. The next prime is 2149829128703. The reversal of 2149829128700 is 78219289412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149829128703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 977193959 + ... + 977196158.

Almost surely, 2^{2149829128700} is an apocalyptic number.

2149829128700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2149829128700 is an abundant number, since it is smaller than the sum of its proper divisors (2939402738572).

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

2149829128700 is a wasteful number, since it uses less digits than its factorization.

2149829128700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954390142 (or 1954390135 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 53.

The spelling of 2149829128700 in words is "two trillion, one hundred forty-nine billion, eight hundred twenty-nine million, one hundred twenty-eight thousand, seven hundred".