9741994129 has 16 divisors (see below), whose sum is σ = 11400238080. Its totient is φ = 8150642640.

The previous prime is 9741994121. The next prime is 9741994147. The reversal of 9741994129 is 9214991479.

It is not a de Polignac number, because 9741994129 - 2³ = 9741994121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9741994129.

It is not an unprimeable number, because it can be changed into a prime (9741994121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477324 + ... + 497314.

It is an arithmetic number, because the mean of its divisors is an integer number (712514880).

Almost surely, 2^9741994129 is an apocalyptic number.

It is an amenable number.

9741994129 is a deficient number, since it is larger than the sum of its proper divisors (1658243951).

9741994129 is a wasteful number, since it uses less digits than its factorization.

9741994129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21660.

The product of its digits is 1469664, while the sum is 55.

The square root of 9741994129 is about 98701.5406617344. The cubic root of 9741994129 is about 2135.7444567301.

The spelling of 9741994129 in words is "nine billion, seven hundred forty-one million, nine hundred ninety-four thousand, one hundred twenty-nine".