749716853 has 4 divisors (see below), whose sum is σ = 763862508. Its totient is φ = 735571200.

The previous prime is 749716841. The next prime is 749716859. The reversal of 749716853 is 358617947.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 447026449 + 302690404 = 21143^2 + 17398^2 .

It is a cyclic number.

It is not a de Polignac number, because 749716853 - 2⁴ = 749716837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749716859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7072748 + ... + 7072853.

It is an arithmetic number, because the mean of its divisors is an integer number (190965627).

Almost surely, 2^749716853 is an apocalyptic number.

It is an amenable number.

749716853 is a deficient number, since it is larger than the sum of its proper divisors (14145655).

749716853 is a wasteful number, since it uses less digits than its factorization.

749716853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14145654.

The product of its digits is 1270080, while the sum is 50.

The square root of 749716853 is about 27380.9578539539. The cubic root of 749716853 is about 908.4459459703.

The spelling of 749716853 in words is "seven hundred forty-nine million, seven hundred sixteen thousand, eight hundred fifty-three".