993249553634 has 32 divisors (see below), whose sum is σ = 1621682702640. Its totient is φ = 453520726272.

The previous prime is 993249553619. The next prime is 993249553651. The reversal of 993249553634 is 436355942399.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 40374874225 + 952874679409 = 200935^2 + 976153^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1582244 + ... + 2118960.

Almost surely, 2^993249553634 is an apocalyptic number.

993249553634 is a deficient number, since it is larger than the sum of its proper divisors (628433149006).

993249553634 is a wasteful number, since it uses less digits than its factorization.

993249553634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537494.

The product of its digits is 94478400, while the sum is 62.

The spelling of 993249553634 in words is "nine hundred ninety-three billion, two hundred forty-nine million, five hundred fifty-three thousand, six hundred thirty-four".