5051932781 has 16 divisors (see below), whose sum is σ = 6201552000. Its totient is φ = 4102316064.

The previous prime is 5051932759. The next prime is 5051932783. The reversal of 5051932781 is 1872391505.

5051932781 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-5051932781 is a prime.

It is a super-2 number, since 2×5051932781² = 51044049647484787922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5051932783) 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, 381080 + ... + 394113.

It is an arithmetic number, because the mean of its divisors is an integer number (387597000).

Almost surely, 2^5051932781 is an apocalyptic number.

It is an amenable number.

5051932781 is a deficient number, since it is larger than the sum of its proper divisors (1149619219).

5051932781 is an equidigital number, since it uses as much as digits as its factorization.

5051932781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775233 (or 775219 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 5051932781 is about 71076.9497164868. The cubic root of 5051932781 is about 1715.8758208788.

The spelling of 5051932781 in words is "five billion, fifty-one million, nine hundred thirty-two thousand, seven hundred eighty-one".