713646445 has 4 divisors (see below), whose sum is σ = 856375740. Its totient is φ = 570917152.

The previous prime is 713646397. The next prime is 713646481. The reversal of 713646445 is 544646317.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544646317 = 2683 ⋅202999.

It can be written as a sum of positive squares in 2 ways, for example, as 254530116 + 459116329 = 15954^2 + 21427^2 .

It is a cyclic number.

It is not a de Polignac number, because 713646445 - 2⁷ = 713646317 is a prime.

It is a super-2 number, since 2×713646445² = 1018582496922276050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 713646398 and 713646407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71364640 + ... + 71364649.

It is an arithmetic number, because the mean of its divisors is an integer number (214093935).

Almost surely, 2^713646445 is an apocalyptic number.

It is an amenable number.

713646445 is a deficient number, since it is larger than the sum of its proper divisors (142729295).

713646445 is a wasteful number, since it uses less digits than its factorization.

713646445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142729294.

The product of its digits is 241920, while the sum is 40.

The square root of 713646445 is about 26714.1618809200. The cubic root of 713646445 is about 893.6367811331.

The spelling of 713646445 in words is "seven hundred thirteen million, six hundred forty-six thousand, four hundred forty-five".