716493653 has 4 divisors (see below), whose sum is σ = 717007200. Its totient is φ = 715980108.

The previous prime is 716493601. The next prime is 716493671. The reversal of 716493653 is 356394617.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 356394617 = 2953 ⋅120689.

It is a cyclic number.

It is not a de Polignac number, because 716493653 - 2¹⁰ = 716492629 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 (716493683) 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, 254675 + ... + 257472.

It is an arithmetic number, because the mean of its divisors is an integer number (179251800).

Almost surely, 2^716493653 is an apocalyptic number.

It is an amenable number.

716493653 is a deficient number, since it is larger than the sum of its proper divisors (513547).

716493653 is a wasteful number, since it uses less digits than its factorization.

716493653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513546.

The product of its digits is 408240, while the sum is 44.

The square root of 716493653 is about 26767.3990705111. The cubic root of 716493653 is about 894.8236403336.

The spelling of 716493653 in words is "seven hundred sixteen million, four hundred ninety-three thousand, six hundred fifty-three".