4116120649 has 3 divisors (see below), whose sum is σ = 4116184807. Its totient is φ = 4116056492.

The previous prime is 4116120571. The next prime is 4116120677. The reversal of 4116120649 is 9460216114.

It is a happy number.

The square root of 4116120649 is 64157.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 3824804025 + 291316624 = 61845^2 + 17068^2 .

It is not a de Polignac number, because 4116120649 - 2⁷ = 4116120521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4116127649) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 32079 + ... + 96235.

Almost surely, 2^4116120649 is an apocalyptic number.

4116120649 is the 64157-th square number.

4116120649 is the 32079-th centered octagonal number.

It is an amenable number.

4116120649 is a deficient number, since it is larger than the sum of its proper divisors (64158).

4116120649 is an frugal number, since it uses more digits than its factorization.

4116120649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128314 (or 64157 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The cubic root of 4116120649 is about 1602.6155979963.

The spelling of 4116120649 in words is "four billion, one hundred sixteen million, one hundred twenty thousand, six hundred forty-nine".