9629478013 has 4 divisors (see below), whose sum is σ = 9940106368. Its totient is φ = 9318849660.

The previous prime is 9629477999. The next prime is 9629478041. The reversal of 9629478013 is 3108749269.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3108749269 = 9091 ⋅341959.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9629478013 is a prime.

It is a super-3 number, since 3×9629478013³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9629478083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155314131 + ... + 155314192.

It is an arithmetic number, because the mean of its divisors is an integer number (2485026592).

Almost surely, 2^9629478013 is an apocalyptic number.

It is an amenable number.

9629478013 is a deficient number, since it is larger than the sum of its proper divisors (310628355).

9629478013 is a wasteful number, since it uses less digits than its factorization.

9629478013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310628354.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 9629478013 is about 98129.9037653660. The cubic root of 9629478013 is about 2127.4902671971.

The spelling of 9629478013 in words is "nine billion, six hundred twenty-nine million, four hundred seventy-eight thousand, thirteen".