9749959494 has 16 divisors (see below), whose sum is σ = 21272639040. Its totient is φ = 2954533160.

The previous prime is 9749959489. The next prime is 9749959507. The reversal of 9749959494 is 4949599479.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73863264 + ... + 73863395.

It is an arithmetic number, because the mean of its divisors is an integer number (1329539940).

Almost surely, 2^9749959494 is an apocalyptic number.

9749959494 is an abundant number, since it is smaller than the sum of its proper divisors (11522679546).

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

9749959494 is a wasteful number, since it uses less digits than its factorization.

9749959494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147726675.

The product of its digits is 132269760, while the sum is 69.

The square root of 9749959494 is about 98741.8831803404. The cubic root of 9749959494 is about 2136.3263824122.

It can be divided in two parts, 974995 and 9494, that added together give a palindrome (984489).

The spelling of 9749959494 in words is "nine billion, seven hundred forty-nine million, nine hundred fifty-nine thousand, four hundred ninety-four".