2051780793470 has 16 divisors (see below), whose sum is σ = 3693335116608. Its totient is φ = 820683497760.

The previous prime is 2051780793463. The next prime is 2051780793499. The reversal of 2051780793470 is 743970871502.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3302249 + ... + 3874068.

It is an arithmetic number, because the mean of its divisors is an integer number (230833444788).

Almost surely, 2^{2051780793470} is an apocalyptic number.

2051780793470 is a deficient number, since it is larger than the sum of its proper divisors (1641554323138).

2051780793470 is a wasteful number, since it uses less digits than its factorization.

2051780793470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7204915.

The product of its (nonzero) digits is 2963520, while the sum is 53.

The spelling of 2051780793470 in words is "two trillion, fifty-one billion, seven hundred eighty million, seven hundred ninety-three thousand, four hundred seventy".