4249121577 has 4 divisors (see below), whose sum is σ = 5665495440. Its totient is φ = 2832747716.

The previous prime is 4249121567. The next prime is 4249121581. The reversal of 4249121577 is 7751219424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4249121577 - 2¹⁰ = 4249120553 is a prime.

It is a super-2 number, since 2×4249121577² = 36110068352253933858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4249121567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 708186927 + ... + 708186932.

It is an arithmetic number, because the mean of its divisors is an integer number (1416373860).

Almost surely, 2^4249121577 is an apocalyptic number.

It is an amenable number.

4249121577 is a deficient number, since it is larger than the sum of its proper divisors (1416373863).

4249121577 is a wasteful number, since it uses less digits than its factorization.

4249121577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416373862.

The product of its digits is 141120, while the sum is 42.

The square root of 4249121577 is about 65185.2865070025. The cubic root of 4249121577 is about 1619.6942949289.

The spelling of 4249121577 in words is "four billion, two hundred forty-nine million, one hundred twenty-one thousand, five hundred seventy-seven".