9473949739 has 4 divisors (see below), whose sum is σ = 9536691280. Its totient is φ = 9411208200.

The previous prime is 9473949731. The next prime is 9473949743. The reversal of 9473949739 is 9379493749.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9473949739 - 2³ = 9473949731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9473949731) 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, 31370544 + ... + 31370845.

It is an arithmetic number, because the mean of its divisors is an integer number (2384172820).

Almost surely, 2^9473949739 is an apocalyptic number.

9473949739 is a deficient number, since it is larger than the sum of its proper divisors (62741541).

9473949739 is a wasteful number, since it uses less digits than its factorization.

9473949739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62741540.

The product of its digits is 46294416, while the sum is 64.

The square root of 9473949739 is about 97334.2166917678. The cubic root of 9473949739 is about 2115.9741548742.

The spelling of 9473949739 in words is "nine billion, four hundred seventy-three million, nine hundred forty-nine thousand, seven hundred thirty-nine".