478258011469 has 24 divisors (see below), whose sum is σ = 566704615680. Its totient is φ = 402322003776.

The previous prime is 478258011463. The next prime is 478258011487. The reversal of 478258011469 is 964110852874.

It is not a de Polignac number, because 478258011469 - 2³ = 478258011461 is a prime.

It is a super-2 number, since 2×478258011469² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478258011461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1618569 + ... + 1891105.

It is an arithmetic number, because the mean of its divisors is an integer number (23612692320).

Almost surely, 2^478258011469 is an apocalyptic number.

478258011469 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

478258011469 is a deficient number, since it is larger than the sum of its proper divisors (88446604211).

478258011469 is a wasteful number, since it uses less digits than its factorization.

478258011469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273217 (or 273210 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 478258011469 in words is "four hundred seventy-eight billion, two hundred fifty-eight million, eleven thousand, four hundred sixty-nine".