470157949 has 4 divisors (see below), whose sum is σ = 470403360. Its totient is φ = 469912540.

The previous prime is 470157943. The next prime is 470157991. The reversal of 470157949 is 949751074.

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: 949751074 = 2 ⋅474875537.

It is a cyclic number.

It is not a de Polignac number, because 470157949 - 2¹¹ = 470155901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 470157899 and 470157908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470157943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119809 + ... + 123670.

It is an arithmetic number, because the mean of its divisors is an integer number (117600840).

Almost surely, 2^470157949 is an apocalyptic number.

It is an amenable number.

470157949 is a deficient number, since it is larger than the sum of its proper divisors (245411).

470157949 is a wasteful number, since it uses less digits than its factorization.

470157949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245410.

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 470157949 is about 21683.1259047214. The cubic root of 470157949 is about 777.5850957477.

The spelling of 470157949 in words is "four hundred seventy million, one hundred fifty-seven thousand, nine hundred forty-nine".