649359097743 has 8 divisors (see below), whose sum is σ = 865819049728. Its totient is φ = 432902605464.

The previous prime is 649359097733. The next prime is 649359097763. The reversal of 649359097743 is 347790953946.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 649359097743 - 2⁶ = 649359097679 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 (649359097733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389671 + ... + 1204392.

It is an arithmetic number, because the mean of its divisors is an integer number (108227381216).

Almost surely, 2^649359097743 is an apocalyptic number.

649359097743 is a deficient number, since it is larger than the sum of its proper divisors (216459951985).

649359097743 is a wasteful number, since it uses less digits than its factorization.

649359097743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729853.

The product of its (nonzero) digits is 154314720, while the sum is 66.

The spelling of 649359097743 in words is "six hundred forty-nine billion, three hundred fifty-nine million, ninety-seven thousand, seven hundred forty-three".