9634139328429 has 48 divisors (see below), whose sum is σ = 17992376962560. Its totient is φ = 5004747693360.

The previous prime is 9634139328427. The next prime is 9634139328461. The reversal of 9634139328429 is 9248239314369.

9634139328429 is a `hidden beast` number, since 9 + 6 + 341 + 3 + 9 + 3 + 284 + 2 + 9 = 666.

It is not a de Polignac number, because 9634139328429 - 2¹ = 9634139328427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9634139328427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 257427159 + ... + 257464580.

It is an arithmetic number, because the mean of its divisors is an integer number (374841186720).

Almost surely, 2^{9634139328429} is an apocalyptic number.

9634139328429 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

9634139328429 is a deficient number, since it is larger than the sum of its proper divisors (8358237634131).

9634139328429 is a wasteful number, since it uses less digits than its factorization.

9634139328429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514891772 (or 514891760 counting only the distinct ones).

The product of its digits is 60466176, while the sum is 63.

The spelling of 9634139328429 in words is "nine trillion, six hundred thirty-four billion, one hundred thirty-nine million, three hundred twenty-eight thousand, four hundred twenty-nine".