469865219540 has 12 divisors (see below), whose sum is σ = 986716961076. Its totient is φ = 187946087808.

The previous prime is 469865219533. The next prime is 469865219569. The reversal of 469865219540 is 45912568964.

It can be written as a sum of positive squares in 2 ways, for example, as 345501786436 + 124363433104 = 587794^2 + 352652^2 .

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 469865219540.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11746630469 + ... + 11746630508.

It is an arithmetic number, because the mean of its divisors is an integer number (82226413423).

Almost surely, 2^469865219540 is an apocalyptic number.

It is an amenable number.

469865219540 is an abundant number, since it is smaller than the sum of its proper divisors (516851741536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

469865219540 is a wasteful number, since it uses less digits than its factorization.

469865219540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23493260986 (or 23493260984 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 59.

The spelling of 469865219540 in words is "four hundred sixty-nine billion, eight hundred sixty-five million, two hundred nineteen thousand, five hundred forty".