7243745133199 has 4 divisors (see below), whose sum is σ = 7245203512464. Its totient is φ = 7242286753936.

The previous prime is 7243745133047. The next prime is 7243745133217. The reversal of 7243745133199 is 9913315473427.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7243745133199 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 (7243745133299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729182182 + ... + 729192115.

It is an arithmetic number, because the mean of its divisors is an integer number (1811300878116).

Almost surely, 2^{7243745133199} is an apocalyptic number.

7243745133199 is a deficient number, since it is larger than the sum of its proper divisors (1458379265).

7243745133199 is a wasteful number, since it uses less digits than its factorization.

7243745133199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458379264.

The product of its digits is 17146080, while the sum is 58.

The spelling of 7243745133199 in words is "seven trillion, two hundred forty-three billion, seven hundred forty-five million, one hundred thirty-three thousand, one hundred ninety-nine".