749636429 has 2 divisors, whose sum is σ = 749636430. Its totient is φ = 749636428.

The previous prime is 749636413. The next prime is 749636449. The reversal of 749636429 is 924636947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 658948900 + 90687529 = 25670^2 + 9523^2 .

It is a cyclic number.

It is not a de Polignac number, because 749636429 - 2⁴ = 749636413 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749636449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374818214 + 374818215.

It is an arithmetic number, because the mean of its divisors is an integer number (374818215).

Almost surely, 2^749636429 is an apocalyptic number.

It is an amenable number.

749636429 is a deficient number, since it is larger than the sum of its proper divisors (1).

749636429 is an equidigital number, since it uses as much as digits as its factorization.

749636429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 50.

The square root of 749636429 is about 27379.4892026860. The cubic root of 749636429 is about 908.4134610532.

The spelling of 749636429 in words is "seven hundred forty-nine million, six hundred thirty-six thousand, four hundred twenty-nine".