749464813 has 2 divisors, whose sum is σ = 749464814. Its totient is φ = 749464812.

The previous prime is 749464801. The next prime is 749464831. The reversal of 749464813 is 318464947.

Together with next prime (749464831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 510669604 + 238795209 = 22598^2 + 15453^2 .

It is a cyclic number.

It is not a de Polignac number, because 749464813 - 2²¹ = 747367661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749464883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374732406 + 374732407.

It is an arithmetic number, because the mean of its divisors is an integer number (374732407).

Almost surely, 2^749464813 is an apocalyptic number.

It is an amenable number.

749464813 is a deficient number, since it is larger than the sum of its proper divisors (1).

749464813 is an equidigital number, since it uses as much as digits as its factorization.

749464813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 46.

The square root of 749464813 is about 27376.3549984288. The cubic root of 749464813 is about 908.3441340316.

The spelling of 749464813 in words is "seven hundred forty-nine million, four hundred sixty-four thousand, eight hundred thirteen".