9742591394 has 16 divisors (see below), whose sum is σ = 14685446880. Its totient is φ = 4847489760.

The previous prime is 9742591381. The next prime is 9742591429. The reversal of 9742591394 is 4931952479.

It is a super-3 number, since 3×9742591394³ (a number of 31 digits) contains 333 as substring.

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, 419417 + ... + 442035.

It is an arithmetic number, because the mean of its divisors is an integer number (917840430).

Almost surely, 2^9742591394 is an apocalyptic number.

9742591394 is a deficient number, since it is larger than the sum of its proper divisors (4942855486).

9742591394 is a wasteful number, since it uses less digits than its factorization.

9742591394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23665.

The product of its digits is 2449440, while the sum is 53.

The square root of 9742591394 is about 98704.5662266949. The cubic root of 9742591394 is about 2135.7881021182.

The spelling of 9742591394 in words is "nine billion, seven hundred forty-two million, five hundred ninety-one thousand, three hundred ninety-four".