9995644743 has 16 divisors (see below), whose sum is σ = 15722797056. Its totient is φ = 5527545120.

The previous prime is 9995644691. The next prime is 9995644847. The reversal of 9995644743 is 3474465999.

It is not a de Polignac number, because 9995644743 - 2¹⁰ = 9995643719 is a prime.

It is a super-3 number, since 3×9995644743³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9995644643) by changing a digit.

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, 7676496 + ... + 7677797.

It is an arithmetic number, because the mean of its divisors is an integer number (982674816).

Almost surely, 2^9995644743 is an apocalyptic number.

9995644743 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

9995644743 is a deficient number, since it is larger than the sum of its proper divisors (5727152313).

9995644743 is a wasteful number, since it uses less digits than its factorization.

9995644743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15354334.

The product of its digits is 29393280, while the sum is 60.

The square root of 9995644743 is about 99978.2213434506. The cubic root of 9995644743 is about 2154.1218740555.

The spelling of 9995644743 in words is "nine billion, nine hundred ninety-five million, six hundred forty-four thousand, seven hundred forty-three".