6419442345 has 16 divisors (see below), whose sum is σ = 10299726720. Its totient is φ = 3414162944.

The previous prime is 6419442343. The next prime is 6419442361. The reversal of 6419442345 is 5432449146.

It is a cyclic number.

It is not a de Polignac number, because 6419442345 - 2¹ = 6419442343 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6419442297 and 6419442306.

It is not an unprimeable number, because it can be changed into a prime (6419442343) 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, 590664 + ... + 601433.

It is an arithmetic number, because the mean of its divisors is an integer number (643732920).

Almost surely, 2^6419442345 is an apocalyptic number.

It is an amenable number.

6419442345 is a deficient number, since it is larger than the sum of its proper divisors (3880284375).

6419442345 is a wasteful number, since it uses less digits than its factorization.

6419442345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192464.

The product of its digits is 414720, while the sum is 42.

The square root of 6419442345 is about 80121.4225098382. The cubic root of 6419442345 is about 1858.5137030895.

The spelling of 6419442345 in words is "six billion, four hundred nineteen million, four hundred forty-two thousand, three hundred forty-five".