2102983181952 has 128 divisors (see below), whose sum is σ = 6074496037440. Its totient is φ = 641928019968.

The previous prime is 2102983181941. The next prime is 2102983181977. The reversal of 2102983181952 is 2591813892012.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 2102983181895 and 2102983181904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4111818 + ... + 4594889.

Almost surely, 2^{2102983181952} is an apocalyptic number.

It is an amenable number.

2102983181952 is an abundant number, since it is smaller than the sum of its proper divisors (3971512855488).

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

2102983181952 is a wasteful number, since it uses less digits than its factorization.

2102983181952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8706778 (or 8706766 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 51.

The spelling of 2102983181952 in words is "two trillion, one hundred two billion, nine hundred eighty-three million, one hundred eighty-one thousand, nine hundred fifty-two".