713641894621 has 4 divisors (see below), whose sum is σ = 717339521212. Its totient is φ = 709944268032.

The previous prime is 713641894607. The next prime is 713641894627. The reversal of 713641894621 is 126498146317.

713641894621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 126498146317 = 14731 ⋅8587207.

It can be written as a sum of positive squares in 2 ways, for example, as 364591346596 + 349050548025 = 603814^2 + 590805^2 .

It is a cyclic number.

It is not a de Polignac number, because 713641894621 - 2²³ = 713633506013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (713641894627) 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, 1848813006 + ... + 1848813391.

It is an arithmetic number, because the mean of its divisors is an integer number (179334880303).

Almost surely, 2^713641894621 is an apocalyptic number.

It is an amenable number.

713641894621 is a deficient number, since it is larger than the sum of its proper divisors (3697626591).

713641894621 is a wasteful number, since it uses less digits than its factorization.

713641894621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697626590.

The product of its digits is 1741824, while the sum is 52.

The spelling of 713641894621 in words is "seven hundred thirteen billion, six hundred forty-one million, eight hundred ninety-four thousand, six hundred twenty-one".