769452149 has 2 divisors, whose sum is σ = 769452150. Its totient is φ = 769452148.

The previous prime is 769452119. The next prime is 769452163. The reversal of 769452149 is 941254967.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 718615249 + 50836900 = 26807^2 + 7130^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-769452149 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (769452119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384726074 + 384726075.

It is an arithmetic number, because the mean of its divisors is an integer number (384726075).

Almost surely, 2^769452149 is an apocalyptic number.

It is an amenable number.

769452149 is a deficient number, since it is larger than the sum of its proper divisors (1).

769452149 is an equidigital number, since it uses as much as digits as its factorization.

769452149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 47.

The square root of 769452149 is about 27739.0005047046. Note that the first 3 decimals coincide. The cubic root of 769452149 is about 916.3482166266.

The spelling of 769452149 in words is "seven hundred sixty-nine million, four hundred fifty-two thousand, one hundred forty-nine".