6419642266831 has 4 divisors (see below), whose sum is σ = 6419647483200. Its totient is φ = 6419637050464.

The previous prime is 6419642266819. The next prime is 6419642266837. The reversal of 6419642266831 is 1386622469146.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6419642266831 - 2¹⁹ = 6419641742543 is a prime.

It is a super-2 number, since 2×6419642266831² (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 (6419642266837) 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, 375810 + ... + 3602848.

It is an arithmetic number, because the mean of its divisors is an integer number (1604911870800).

Almost surely, 2^{6419642266831} is an apocalyptic number.

6419642266831 is a deficient number, since it is larger than the sum of its proper divisors (5216369).

6419642266831 is a wasteful number, since it uses less digits than its factorization.

6419642266831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5216368.

The product of its digits is 17915904, while the sum is 58.

The spelling of 6419642266831 in words is "six trillion, four hundred nineteen billion, six hundred forty-two million, two hundred sixty-six thousand, eight hundred thirty-one".