749815699 has 2 divisors, whose sum is σ = 749815700. Its totient is φ = 749815698.

The previous prime is 749815697. The next prime is 749815741. The reversal of 749815699 is 996518947.

749815699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (996518947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 749815699 - 2¹ = 749815697 is a prime.

Together with 749815697, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (749815691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374907849 + 374907850.

It is an arithmetic number, because the mean of its divisors is an integer number (374907850).

Almost surely, 2^749815699 is an apocalyptic number.

749815699 is a deficient number, since it is larger than the sum of its proper divisors (1).

749815699 is an equidigital number, since it uses as much as digits as its factorization.

749815699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 58.

The square root of 749815699 is about 27382.7628080148. The cubic root of 749815699 is about 908.4858687321.

The spelling of 749815699 in words is "seven hundred forty-nine million, eight hundred fifteen thousand, six hundred ninety-nine".