6419954915530 has 32 divisors (see below), whose sum is σ = 12444986408400. Its totient is φ = 2370416182272.

The previous prime is 6419954915483. The next prime is 6419954915581. The reversal of 6419954915530 is 355194599146.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 477139707009 + 5942815208521 = 690753^2 + 2437789^2 .

It is a super-2 number, since 2×6419954915530² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12611176 + ... + 13110364.

Almost surely, 2^{6419954915530} is an apocalyptic number.

6419954915530 is a deficient number, since it is larger than the sum of its proper divisors (6025031492870).

6419954915530 is a wasteful number, since it uses less digits than its factorization.

6419954915530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598138.

The product of its (nonzero) digits is 26244000, while the sum is 61.

The spelling of 6419954915530 in words is "six trillion, four hundred nineteen billion, nine hundred fifty-four million, nine hundred fifteen thousand, five hundred thirty".