5160743781 has 4 divisors (see below), whose sum is σ = 6880991712. Its totient is φ = 3440495852.

The previous prime is 5160743779. The next prime is 5160743789. The reversal of 5160743781 is 1873470615.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5160743781 - 2¹ = 5160743779 is a prime.

It is a super-2 number, since 2×5160743781² = 53266552746260351922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5160743789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860123961 + ... + 860123966.

It is an arithmetic number, because the mean of its divisors is an integer number (1720247928).

Almost surely, 2^5160743781 is an apocalyptic number.

It is an amenable number.

5160743781 is a deficient number, since it is larger than the sum of its proper divisors (1720247931).

5160743781 is a wasteful number, since it uses less digits than its factorization.

5160743781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720247930.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 5160743781 is about 71838.3169415877. The cubic root of 5160743781 is about 1728.1075434477.

The spelling of 5160743781 in words is "five billion, one hundred sixty million, seven hundred forty-three thousand, seven hundred eighty-one".