5421464850385 has 8 divisors (see below), whose sum is σ = 6505776104616. Its totient is φ = 4337159690880.

The previous prime is 5421464850367. The next prime is 5421464850397. The reversal of 5421464850385 is 5830584641245.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 248574039184 + 5172890811201 = 498572^2 + 2274399^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5421464850385 - 2¹⁵ = 5421464817617 is a prime.

It is a super-2 number, since 2×5421464850385² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738675 + ... + 3374695.

It is an arithmetic number, because the mean of its divisors is an integer number (813222013077).

Almost surely, 2^{5421464850385} is an apocalyptic number.

It is an amenable number.

5421464850385 is a deficient number, since it is larger than the sum of its proper divisors (1084311254231).

5421464850385 is a wasteful number, since it uses less digits than its factorization.

5421464850385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047363.

The product of its (nonzero) digits is 18432000, while the sum is 55.

The spelling of 5421464850385 in words is "five trillion, four hundred twenty-one billion, four hundred sixty-four million, eight hundred fifty thousand, three hundred eighty-five".