7164391249 has 4 divisors (see below), whose sum is σ = 7265298240. Its totient is φ = 7063484260.

The previous prime is 7164391219. The next prime is 7164391321. The reversal of 7164391249 is 9421934617.

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 7164391249 - 2¹⁹ = 7163866961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7164391199 and 7164391208.

It is not an unprimeable number, because it can be changed into a prime (7164391219) 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, 50453389 + ... + 50453530.

It is an arithmetic number, because the mean of its divisors is an integer number (1816324560).

Almost surely, 2^7164391249 is an apocalyptic number.

It is an amenable number.

7164391249 is a deficient number, since it is larger than the sum of its proper divisors (100906991).

7164391249 is a wasteful number, since it uses less digits than its factorization.

7164391249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100906990.

The product of its digits is 326592, while the sum is 46.

The square root of 7164391249 is about 84642.7270886282. The cubic root of 7164391249 is about 1927.7901854724.

The spelling of 7164391249 in words is "seven billion, one hundred sixty-four million, three hundred ninety-one thousand, two hundred forty-nine".