71474650469 has 4 divisors (see below), whose sum is σ = 72379392960. Its totient is φ = 70569907980.

The previous prime is 71474650453. The next prime is 71474650493. The reversal of 71474650469 is 96405647417.

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: 96405647417 = 19 ⋅5073981443.

It is a cyclic number.

It is not a de Polignac number, because 71474650469 - 2⁴ = 71474650453 is a prime.

It is a super-2 number, since 2×71474650469² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71474650469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71474650369) 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, 452371127 + ... + 452371284.

It is an arithmetic number, because the mean of its divisors is an integer number (18094848240).

Almost surely, 2^71474650469 is an apocalyptic number.

71474650469 is a gapful number since it is divisible by the number (79) formed by its first and last digit.

It is an amenable number.

71474650469 is a deficient number, since it is larger than the sum of its proper divisors (904742491).

71474650469 is an equidigital number, since it uses as much as digits as its factorization.

71474650469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904742490.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 71474650469 in words is "seventy-one billion, four hundred seventy-four million, six hundred fifty thousand, four hundred sixty-nine".