7194249689 has 12 divisors (see below), whose sum is σ = 7911518832. Its totient is φ = 6537092760.

The previous prime is 7194249677. The next prime is 7194249707. The reversal of 7194249689 is 9869424917.

It is a de Polignac number, because none of the positive numbers 2^k-7194249689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7194249619) 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 11 ways as a sum of consecutive naturals, for example, 261194 + ... + 287420.

It is an arithmetic number, because the mean of its divisors is an integer number (659293236).

Almost surely, 2^7194249689 is an apocalyptic number.

It is an amenable number.

7194249689 is a deficient number, since it is larger than the sum of its proper divisors (717269143).

7194249689 is a wasteful number, since it uses less digits than its factorization.

7194249689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28516 (or 28505 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 59.

The square root of 7194249689 is about 84818.9229417587. The cubic root of 7194249689 is about 1930.4645707954.

The spelling of 7194249689 in words is "seven billion, one hundred ninety-four million, two hundred forty-nine thousand, six hundred eighty-nine".