713091191 has 4 divisors (see below), whose sum is σ = 728263392. Its totient is φ = 697918992.

The previous prime is 713091173. The next prime is 713091257. The reversal of 713091191 is 191190317.

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

It is a cyclic number.

It is not a de Polignac number, because 713091191 - 2²² = 708896887 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 (713091131) 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, 7586030 + ... + 7586123.

It is an arithmetic number, because the mean of its divisors is an integer number (182065848).

Almost surely, 2^713091191 is an apocalyptic number.

713091191 is a deficient number, since it is larger than the sum of its proper divisors (15172201).

713091191 is a wasteful number, since it uses less digits than its factorization.

713091191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15172200.

The product of its (nonzero) digits is 1701, while the sum is 32.

The square root of 713091191 is about 26703.7673559369. The cubic root of 713091191 is about 893.4049557220.

The spelling of 713091191 in words is "seven hundred thirteen million, ninety-one thousand, one hundred ninety-one".