7749000229 has 2 divisors, whose sum is σ = 7749000230. Its totient is φ = 7749000228.

The previous prime is 7749000191. The next prime is 7749000239. The reversal of 7749000229 is 9220009477.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6480572004 + 1268428225 = 80502^2 + 35615^2 .

It is a cyclic number.

It is not a de Polignac number, because 7749000229 - 2¹⁷ = 7748869157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7749000191 and 7749000200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7749000239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3874500114 + 3874500115.

It is an arithmetic number, because the mean of its divisors is an integer number (3874500115).

Almost surely, 2^7749000229 is an apocalyptic number.

It is an amenable number.

7749000229 is a deficient number, since it is larger than the sum of its proper divisors (1).

7749000229 is an equidigital number, since it uses as much as digits as its factorization.

7749000229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 7749000229 is about 88028.4058074438. The cubic root of 7749000229 is about 1978.8607047237.

The spelling of 7749000229 in words is "seven billion, seven hundred forty-nine million, two hundred twenty-nine", and thus it is an aban number.