4122765749 has 16 divisors (see below), whose sum is σ = 4426721280. Its totient is φ = 3827678400.

The previous prime is 4122765707. The next prime is 4122765793. The reversal of 4122765749 is 9475672214.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4122765749 is a prime.

It is a super-2 number, since 2×4122765749² = 33994394842255062002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4122765349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1157279 + ... + 1160835.

It is an arithmetic number, because the mean of its divisors is an integer number (276670080).

Almost surely, 2^4122765749 is an apocalyptic number.

It is an amenable number.

4122765749 is a deficient number, since it is larger than the sum of its proper divisors (303955531).

4122765749 is a wasteful number, since it uses less digits than its factorization.

4122765749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4780.

The product of its digits is 846720, while the sum is 47.

The square root of 4122765749 is about 64208.7669169873. The cubic root of 4122765749 is about 1603.4775597033.

The spelling of 4122765749 in words is "four billion, one hundred twenty-two million, seven hundred sixty-five thousand, seven hundred forty-nine".