4019676237864 has 432 divisors, whose sum is σ = 13446384588000. Its totient is φ = 1081460274048.

The previous prime is 4019676237781. The next prime is 4019676237881. The reversal of 4019676237864 is 4687326769104.

It is a happy number.

4019676237864 is a `hidden beast` number, since 4 + 0 + 196 + 76 + 2 + 378 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 212683087 + ... + 212701985.

It is an arithmetic number, because the mean of its divisors is an integer number (31125890250).

Almost surely, 2^{4019676237864} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4019676237864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6723192294000).

4019676237864 is an abundant number, since it is smaller than the sum of its proper divisors (9426708350136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4019676237864 is a wasteful number, since it uses less digits than its factorization.

4019676237864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19130 (or 19097 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 63.

The spelling of 4019676237864 in words is "four trillion, nineteen billion, six hundred seventy-six million, two hundred thirty-seven thousand, eight hundred sixty-four".