649096894574 has 8 divisors (see below), whose sum is σ = 996288256920. Its totient is φ = 317000808936.

The previous prime is 649096894571. The next prime is 649096894577. The reversal of 649096894574 is 475498690946.

It is an interprime number because it is at equal distance from previous prime (649096894571) and next prime (649096894577).

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

It is a super-2 number, since 2×649096894574² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 649096894498 and 649096894507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649096894571) 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, 3773819069 + ... + 3773819240.

It is an arithmetic number, because the mean of its divisors is an integer number (124536032115).

Almost surely, 2^649096894574 is an apocalyptic number.

649096894574 is a deficient number, since it is larger than the sum of its proper divisors (347191362346).

649096894574 is a wasteful number, since it uses less digits than its factorization.

649096894574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7547638354.

The product of its (nonzero) digits is 470292480, while the sum is 71.

The spelling of 649096894574 in words is "six hundred forty-nine billion, ninety-six million, eight hundred ninety-four thousand, five hundred seventy-four".