9774239453634 has 32 divisors (see below), whose sum is σ = 20330953125120. Its totient is φ = 3129896719872.

The previous prime is 9774239453611. The next prime is 9774239453729. The reversal of 9774239453634 is 4363549324779.

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, 278641359 + ... + 278676434.

It is an arithmetic number, because the mean of its divisors is an integer number (635342285160).

Almost surely, 2^{9774239453634} is an apocalyptic number.

9774239453634 is an abundant number, since it is smaller than the sum of its proper divisors (10556713671486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9774239453634 is a wasteful number, since it uses less digits than its factorization.

9774239453634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557317914.

The product of its digits is 411505920, while the sum is 66.

The spelling of 9774239453634 in words is "nine trillion, seven hundred seventy-four billion, two hundred thirty-nine million, four hundred fifty-three thousand, six hundred thirty-four".