5193863081 has 4 divisors (see below), whose sum is σ = 5666032464. Its totient is φ = 4721693700.

The previous prime is 5193863063. The next prime is 5193863099. The reversal of 5193863081 is 1803683915.

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 an interprime number because it is at equal distance from previous prime (5193863063) and next prime (5193863099).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5193863081 is a prime.

It is a super-2 number, since 2×5193863081² = 53952427408349625122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5193863011) 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, 236084675 + ... + 236084696.

It is an arithmetic number, because the mean of its divisors is an integer number (1416508116).

Almost surely, 2^5193863081 is an apocalyptic number.

It is an amenable number.

5193863081 is a deficient number, since it is larger than the sum of its proper divisors (472169383).

5193863081 is a wasteful number, since it uses less digits than its factorization.

5193863081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472169382.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 5193863081 is about 72068.4610700131. The cubic root of 5193863081 is about 1731.7963989017.

The spelling of 5193863081 in words is "five billion, one hundred ninety-three million, eight hundred sixty-three thousand, eighty-one".