1338078922417 has 16 divisors (see below), whose sum is σ = 1454001049600. Its totient is φ = 1226709936720.

The previous prime is 1338078922361. The next prime is 1338078922421. The reversal of 1338078922417 is 7142298708331.

It is not a de Polignac number, because 1338078922417 - 2²³ = 1338070533809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1338078922447) 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, 25422634 + ... + 25475212.

It is an arithmetic number, because the mean of its divisors is an integer number (90875065600).

Almost surely, 2^{1338078922417} is an apocalyptic number.

It is an amenable number.

1338078922417 is a deficient number, since it is larger than the sum of its proper divisors (115922127183).

1338078922417 is a wasteful number, since it uses less digits than its factorization.

1338078922417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95836.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 1338078922417 in words is "one trillion, three hundred thirty-eight billion, seventy-eight million, nine hundred twenty-two thousand, four hundred seventeen".