2051942309050 has 24 divisors (see below), whose sum is σ = 3816662119776. Its totient is φ = 820766294640.

The previous prime is 2051942309029. The next prime is 2051942309099. The reversal of 2051942309050 is 509032491502.

It is a junction number, because it is equal to n+sod(n) for n = 2051942308994 and 2051942309012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4469307 + ... + 4906993.

It is an arithmetic number, because the mean of its divisors is an integer number (159027588324).

Almost surely, 2^{2051942309050} is an apocalyptic number.

2051942309050 is a deficient number, since it is larger than the sum of its proper divisors (1764719810726).

2051942309050 is a wasteful number, since it uses less digits than its factorization.

2051942309050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531462 (or 531457 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 2051942309050 in words is "two trillion, fifty-one billion, nine hundred forty-two million, three hundred nine thousand, fifty".