5121446747 has 4 divisors (see below), whose sum is σ = 5127382080. Its totient is φ = 5115511416.

The previous prime is 5121446699. The next prime is 5121446749. The reversal of 5121446747 is 7476441215.

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

It is a cyclic number.

It is not a de Polignac number, because 5121446747 - 2⁶ = 5121446683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5121446749) 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, 2966372 + ... + 2968097.

It is an arithmetic number, because the mean of its divisors is an integer number (1281845520).

Almost surely, 2^5121446747 is an apocalyptic number.

5121446747 is a deficient number, since it is larger than the sum of its proper divisors (5935333).

5121446747 is an equidigital number, since it uses as much as digits as its factorization.

5121446747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5935332.

The product of its digits is 188160, while the sum is 41.

The square root of 5121446747 is about 71564.2840179373. The cubic root of 5121446747 is about 1723.7100764208.

The spelling of 5121446747 in words is "five billion, one hundred twenty-one million, four hundred forty-six thousand, seven hundred forty-seven".