6419964541087 has 4 divisors (see below), whose sum is σ = 6421062164400. Its totient is φ = 6418866917776.

The previous prime is 6419964541037. The next prime is 6419964541127. The reversal of 6419964541087 is 7801454699146.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6419964541087 - 2¹⁵ = 6419964508319 is a prime.

It is a super-2 number, since 2×6419964541087² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6419964541007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548802883 + ... + 548814580.

It is an arithmetic number, because the mean of its divisors is an integer number (1605265541100).

Almost surely, 2^{6419964541087} is an apocalyptic number.

6419964541087 is a deficient number, since it is larger than the sum of its proper divisors (1097623313).

6419964541087 is a wasteful number, since it uses less digits than its factorization.

6419964541087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097623312.

The product of its (nonzero) digits is 52254720, while the sum is 64.

The spelling of 6419964541087 in words is "six trillion, four hundred nineteen billion, nine hundred sixty-four million, five hundred forty-one thousand, eighty-seven".