4119154397 has 4 divisors (see below), whose sum is σ = 4120819836. Its totient is φ = 4117488960.

The previous prime is 4119154367. The next prime is 4119154409. The reversal of 4119154397 is 7934519114.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 830246596 + 3288907801 = 28814^2 + 57349^2 .

It is a cyclic number.

It is not a de Polignac number, because 4119154397 - 2⁸ = 4119154141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4119154327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829004 + ... + 833957.

It is an arithmetic number, because the mean of its divisors is an integer number (1030204959).

Almost surely, 2^4119154397 is an apocalyptic number.

It is an amenable number.

4119154397 is a deficient number, since it is larger than the sum of its proper divisors (1665439).

4119154397 is a wasteful number, since it uses less digits than its factorization.

4119154397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665438.

The product of its digits is 136080, while the sum is 44.

The square root of 4119154397 is about 64180.6388017446. The cubic root of 4119154397 is about 1603.0092322204.

The spelling of 4119154397 in words is "four billion, one hundred nineteen million, one hundred fifty-four thousand, three hundred ninety-seven".