7043268157 has 4 divisors (see below), whose sum is σ = 7069451580. Its totient is φ = 7017084736.

The previous prime is 7043268109. The next prime is 7043268161. The reversal of 7043268157 is 7518623407.

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 1589297956 + 5453970201 = 39866^2 + 73851^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7043268157 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 (7043262157) 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, 13091308 + ... + 13091845.

It is an arithmetic number, because the mean of its divisors is an integer number (1767362895).

Almost surely, 2^7043268157 is an apocalyptic number.

It is an amenable number.

7043268157 is a deficient number, since it is larger than the sum of its proper divisors (26183423).

7043268157 is a wasteful number, since it uses less digits than its factorization.

7043268157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26183422.

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 7043268157 is about 83924.1810028552. The cubic root of 7043268157 is about 1916.8644710419.

The spelling of 7043268157 in words is "seven billion, forty-three million, two hundred sixty-eight thousand, one hundred fifty-seven".