419421874557 has 64 divisors (see below), whose sum is σ = 688689920000. Its totient is φ = 226326731904.

The previous prime is 419421874549. The next prime is 419421874567. The reversal of 419421874557 is 755478124914.

It is not a de Polignac number, because 419421874557 - 2³ = 419421874549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 419421874497 and 419421874506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (419421874567) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6085194 + ... + 6153732.

It is an arithmetic number, because the mean of its divisors is an integer number (10760780000).

Almost surely, 2^419421874557 is an apocalyptic number.

It is an amenable number.

419421874557 is a deficient number, since it is larger than the sum of its proper divisors (269268045443).

419421874557 is a wasteful number, since it uses less digits than its factorization.

419421874557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68895 (or 68881 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 57.

The spelling of 419421874557 in words is "four hundred nineteen billion, four hundred twenty-one million, eight hundred seventy-four thousand, five hundred fifty-seven".