470470138249 has 4 divisors (see below), whose sum is σ = 470471904000. Its totient is φ = 470468372500.

The previous prime is 470470138241. The next prime is 470470138273. The reversal of 470470138249 is 942831074074.

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.

It is a cyclic number.

It is not a de Polignac number, because 470470138249 - 2³ = 470470138241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (470470138241) 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, 392377 + ... + 1046374.

It is an arithmetic number, because the mean of its divisors is an integer number (117617976000).

Almost surely, 2^470470138249 is an apocalyptic number.

It is an amenable number.

470470138249 is a deficient number, since it is larger than the sum of its proper divisors (1765751).

470470138249 is a wasteful number, since it uses less digits than its factorization.

470470138249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765750.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 470470138249 in words is "four hundred seventy billion, four hundred seventy million, one hundred thirty-eight thousand, two hundred forty-nine".