4313036730721 has 4 divisors (see below), whose sum is σ = 4357501027012. Its totient is φ = 4268572434432.

The previous prime is 4313036730713. The next prime is 4313036730733. The reversal of 4313036730721 is 1270376303134.

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 1253423550096 + 3059613180625 = 1119564^2 + 1749175^2 .

It is a cyclic number.

It is not a de Polignac number, because 4313036730721 - 2³ = 4313036730713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4313036730421) 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, 22232148000 + ... + 22232148193.

It is an arithmetic number, because the mean of its divisors is an integer number (1089375256753).

Almost surely, 2^{4313036730721} is an apocalyptic number.

It is an amenable number.

4313036730721 is a deficient number, since it is larger than the sum of its proper divisors (44464296291).

4313036730721 is an equidigital number, since it uses as much as digits as its factorization.

4313036730721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44464296290.

The product of its (nonzero) digits is 190512, while the sum is 40.

The spelling of 4313036730721 in words is "four trillion, three hundred thirteen billion, thirty-six million, seven hundred thirty thousand, seven hundred twenty-one".