2083752100781 has 16 divisors (see below), whose sum is σ = 2362668672000. Its totient is φ = 1821826997568.

The previous prime is 2083752100747. The next prime is 2083752100823. The reversal of 2083752100781 is 1870012573802.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2083752100781 is a prime.

It is a super-2 number, since 2×2083752100781² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2083752100081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196340 + ... + 2050866.

It is an arithmetic number, because the mean of its divisors is an integer number (147666792000).

Almost surely, 2^{2083752100781} is an apocalyptic number.

It is an amenable number.

2083752100781 is a deficient number, since it is larger than the sum of its proper divisors (278916571219).

2083752100781 is a wasteful number, since it uses less digits than its factorization.

2083752100781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859108.

The product of its (nonzero) digits is 188160, while the sum is 44.

The spelling of 2083752100781 in words is "two trillion, eighty-three billion, seven hundred fifty-two million, one hundred thousand, seven hundred eighty-one".