949721473 has 8 divisors (see below), whose sum is σ = 1009764360. Its totient is φ = 890142720.

The previous prime is 949721429. The next prime is 949721477. The reversal of 949721473 is 374127949.

It can be written as a sum of positive squares in 4 ways, for example, as 551639169 + 398082304 = 23487^2 + 19952^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 949721473 - 2²⁵ = 916167041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (949721477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111808 + ... + 120001.

It is an arithmetic number, because the mean of its divisors is an integer number (126220545).

Almost surely, 2^949721473 is an apocalyptic number.

It is an amenable number.

949721473 is a deficient number, since it is larger than the sum of its proper divisors (60042887).

949721473 is a wasteful number, since it uses less digits than its factorization.

949721473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232067.

The product of its digits is 381024, while the sum is 46.

The square root of 949721473 is about 30817.5513790437. The cubic root of 949721473 is about 982.9514910690.

The spelling of 949721473 in words is "nine hundred forty-nine million, seven hundred twenty-one thousand, four hundred seventy-three".