740664347663 has 4 divisors (see below), whose sum is σ = 784232838720. Its totient is φ = 697095856608.

The previous prime is 740664347627. The next prime is 740664347669. The reversal of 740664347663 is 366743466047.

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

It is not a de Polignac number, because 740664347663 - 2¹² = 740664343567 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 740664347599 and 740664347608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740664347669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21784245503 + ... + 21784245536.

It is an arithmetic number, because the mean of its divisors is an integer number (196058209680).

Almost surely, 2^740664347663 is an apocalyptic number.

740664347663 is a deficient number, since it is larger than the sum of its proper divisors (43568491057).

740664347663 is a wasteful number, since it uses less digits than its factorization.

740664347663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43568491056.

The product of its (nonzero) digits is 36578304, while the sum is 56.

The spelling of 740664347663 in words is "seven hundred forty billion, six hundred sixty-four million, three hundred forty-seven thousand, six hundred sixty-three".