749208253249 has 8 divisors (see below), whose sum is σ = 760005080640. Its totient is φ = 738418220400.

The previous prime is 749208253219. The next prime is 749208253273. The reversal of 749208253249 is 942352802947.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 749208253249 - 2³⁷ = 611769299777 is a prime.

It is a super-2 number, since 2×749208253249² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 749208253249.

It is not an unprimeable number, because it can be changed into a prime (749208253219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1476307 + ... + 1917784.

It is an arithmetic number, because the mean of its divisors is an integer number (95000635080).

Almost surely, 2^749208253249 is an apocalyptic number.

It is an amenable number.

749208253249 is a deficient number, since it is larger than the sum of its proper divisors (10796827391).

749208253249 is a wasteful number, since it uses less digits than its factorization.

749208253249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3397271.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 749208253249 in words is "seven hundred forty-nine billion, two hundred eight million, two hundred fifty-three thousand, two hundred forty-nine".