4721539297 has 2 divisors, whose sum is σ = 4721539298. Its totient is φ = 4721539296.

The previous prime is 4721539283. The next prime is 4721539307. The reversal of 4721539297 is 7929351274.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2375977536 + 2345561761 = 48744^2 + 48431^2 .

It is a cyclic number.

It is not a de Polignac number, because 4721539297 - 2⁷ = 4721539169 is a prime.

It is a super-3 number, since 3×4721539297³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4721539297.

It is not a weakly prime, because it can be changed into another prime (4721549297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2360769648 + 2360769649.

It is an arithmetic number, because the mean of its divisors is an integer number (2360769649).

Almost surely, 2^4721539297 is an apocalyptic number.

It is an amenable number.

4721539297 is a deficient number, since it is larger than the sum of its proper divisors (1).

4721539297 is an equidigital number, since it uses as much as digits as its factorization.

4721539297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 49.

The square root of 4721539297 is about 68713.4579030920. The cubic root of 4721539297 is about 1677.6236357947.

The spelling of 4721539297 in words is "four billion, seven hundred twenty-one million, five hundred thirty-nine thousand, two hundred ninety-seven".