38881099834453 has 2 divisors, whose sum is σ = 38881099834454. Its totient is φ = 38881099834452.

The previous prime is 38881099834439. The next prime is 38881099834559. The reversal of 38881099834453 is 35443899018883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22021264353124 + 16859835481329 = 4692682^2 + 4106073^2 .

It is a cyclic number.

It is not a de Polignac number, because 38881099834453 - 2²¹ = 38881097737301 is a prime.

It is a super-2 number, since 2×38881099834453² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38881099834403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19440549917226 + 19440549917227.

It is an arithmetic number, because the mean of its divisors is an integer number (19440549917227).

Almost surely, 2^{38881099834453} is an apocalyptic number.

It is an amenable number.

38881099834453 is a deficient number, since it is larger than the sum of its proper divisors (1).

38881099834453 is an equidigital number, since it uses as much as digits as its factorization.

38881099834453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 716636160, while the sum is 73.

The spelling of 38881099834453 in words is "thirty-eight trillion, eight hundred eighty-one billion, ninety-nine million, eight hundred thirty-four thousand, four hundred fifty-three".