7849754729 has 2 divisors, whose sum is σ = 7849754730. Its totient is φ = 7849754728.

The previous prime is 7849754711. The next prime is 7849754741. The reversal of 7849754729 is 9274579487.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7143630400 + 706124329 = 84520^2 + 26573^2 .

It is a cyclic number.

It is not a de Polignac number, because 7849754729 - 2²⁰ = 7848706153 is a prime.

It is not a weakly prime, because it can be changed into another prime (7849754789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3924877364 + 3924877365.

It is an arithmetic number, because the mean of its divisors is an integer number (3924877365).

Almost surely, 2^7849754729 is an apocalyptic number.

It is an amenable number.

7849754729 is a deficient number, since it is larger than the sum of its proper divisors (1).

7849754729 is an equidigital number, since it uses as much as digits as its factorization.

7849754729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35562240, while the sum is 62.

The square root of 7849754729 is about 88598.8415782058. The cubic root of 7849754729 is about 1987.4003518675.

The spelling of 7849754729 in words is "seven billion, eight hundred forty-nine million, seven hundred fifty-four thousand, seven hundred twenty-nine".