648889588419 has 16 divisors (see below), whose sum is σ = 910761626880. Its totient is φ = 409807274400.

The previous prime is 648889588397. The next prime is 648889588429. The reversal of 648889588419 is 914885988846.

648889588419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 648889588419 - 2²⁰ = 648888539843 is a prime.

It is a super-2 number, since 2×648889588419² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (648889588429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1151994 + ... + 1620144.

It is an arithmetic number, because the mean of its divisors is an integer number (56922601680).

Almost surely, 2^648889588419 is an apocalyptic number.

648889588419 is a deficient number, since it is larger than the sum of its proper divisors (261872038461).

648889588419 is a wasteful number, since it uses less digits than its factorization.

648889588419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492490.

The product of its digits is 1274019840, while the sum is 78.

The spelling of 648889588419 in words is "six hundred forty-eight billion, eight hundred eighty-nine million, five hundred eighty-eight thousand, four hundred nineteen".