947469459 has 4 divisors (see below), whose sum is σ = 1263292616. Its totient is φ = 631646304.

The previous prime is 947469427. The next prime is 947469463. The reversal of 947469459 is 954964749.

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

It is not a de Polignac number, because 947469459 - 2⁵ = 947469427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 947469399 and 947469408.

It is not an unprimeable number, because it can be changed into a prime (947469059) 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, 157911574 + ... + 157911579.

It is an arithmetic number, because the mean of its divisors is an integer number (315823154).

Almost surely, 2^947469459 is an apocalyptic number.

947469459 is a deficient number, since it is larger than the sum of its proper divisors (315823157).

947469459 is a wasteful number, since it uses less digits than its factorization.

947469459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315823156.

The product of its digits is 9797760, while the sum is 57.

The square root of 947469459 is about 30780.9918456180. The cubic root of 947469459 is about 982.1739394172.

The spelling of 947469459 in words is "nine hundred forty-seven million, four hundred sixty-nine thousand, four hundred fifty-nine".