5751293993 has 4 divisors (see below), whose sum is σ = 5859809028. Its totient is φ = 5642778960.

The previous prime is 5751293971. The next prime is 5751294037. The reversal of 5751293993 is 3993921575.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2767075609 + 2984218384 = 52603^2 + 54628^2 .

It is a cyclic number.

It is not a de Polignac number, because 5751293993 - 2⁶ = 5751293929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53), and also a Moran number because the ratio is a prime number: 108514981 = 5751293993 / (5 + 7 + 5 + 1 + 2 + 9 + 3 + 9 + 9 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5751293923) 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, 54257438 + ... + 54257543.

It is an arithmetic number, because the mean of its divisors is an integer number (1464952257).

Almost surely, 2^5751293993 is an apocalyptic number.

5751293993 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

5751293993 is a deficient number, since it is larger than the sum of its proper divisors (108515035).

5751293993 is a wasteful number, since it uses less digits than its factorization.

5751293993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108515034.

The product of its digits is 2296350, while the sum is 53.

The square root of 5751293993 is about 75837.2862977045. The cubic root of 5751293993 is about 1791.6583149604.

The spelling of 5751293993 in words is "five billion, seven hundred fifty-one million, two hundred ninety-three thousand, nine hundred ninety-three".