38219225908899 has 64 divisors (see below), whose sum is σ = 61721471702016. Its totient is φ = 20535940399104.

The previous prime is 38219225908861. The next prime is 38219225908901. The reversal of 38219225908899 is 99880952291283.

It is a happy number.

It is a Cunningham number, because it is equal to 6182170²-1.

It is not a de Polignac number, because 38219225908899 - 2¹² = 38219225904803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38219225908899.

It is not an unprimeable number, because it can be changed into a prime (38219225908399) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2207026389 + ... + 2207043705.

It is an arithmetic number, because the mean of its divisors is an integer number (964397995344).

Almost surely, 2^{38219225908899} is an apocalyptic number.

38219225908899 is a deficient number, since it is larger than the sum of its proper divisors (23502245793117).

38219225908899 is a wasteful number, since it uses less digits than its factorization.

38219225908899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22684.

The product of its (nonzero) digits is 403107840, while the sum is 75.

The spelling of 38219225908899 in words is "thirty-eight trillion, two hundred nineteen billion, two hundred twenty-five million, nine hundred eight thousand, eight hundred ninety-nine".