2051808939060 has 48 divisors (see below), whose sum is σ = 5756486714496. Its totient is φ = 546061270912.

The previous prime is 2051808939031. The next prime is 2051808939083. The reversal of 2051808939060 is 609398081502.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2051808938994 and 2051808939012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33962679 + ... + 34023038.

It is an arithmetic number, because the mean of its divisors is an integer number (119926806552).

Almost surely, 2^{2051808939060} is an apocalyptic number.

2051808939060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2051808939060 is an abundant number, since it is smaller than the sum of its proper divisors (3704677775436).

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

2051808939060 is a wasteful number, since it uses less digits than its factorization.

2051808939060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67986232 (or 67986230 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 51.

The spelling of 2051808939060 in words is "two trillion, fifty-one billion, eight hundred eight million, nine hundred thirty-nine thousand, sixty".