773351649 has 12 divisors (see below), whose sum is σ = 1276644096. Its totient is φ = 441915192.

The previous prime is 773351639. The next prime is 773351651. The reversal of 773351649 is 946153377.

It is not a de Polignac number, because 773351649 - 2⁷ = 773351521 is a prime.

It is a super-2 number, since 2×773351649² = 1196145546022038402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (773351629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6137649 + ... + 6137774.

It is an arithmetic number, because the mean of its divisors is an integer number (106387008).

Almost surely, 2^773351649 is an apocalyptic number.

It is an amenable number.

773351649 is a deficient number, since it is larger than the sum of its proper divisors (503292447).

773351649 is a wasteful number, since it uses less digits than its factorization.

773351649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12275436 (or 12275433 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The square root of 773351649 is about 27809.2007975778. The cubic root of 773351649 is about 917.8935934024.

The spelling of 773351649 in words is "seven hundred seventy-three million, three hundred fifty-one thousand, six hundred forty-nine".