38245553447 has 2 divisors, whose sum is σ = 38245553448. Its totient is φ = 38245553446.

The previous prime is 38245553441. The next prime is 38245553449. The reversal of 38245553447 is 74435554283.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38245553447 - 2²⁸ = 37977117991 is a prime.

Together with 38245553449, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 38245553395 and 38245553404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38245553441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19122776723 + 19122776724.

It is an arithmetic number, because the mean of its divisors is an integer number (19122776724).

Almost surely, 2^38245553447 is an apocalyptic number.

38245553447 is a deficient number, since it is larger than the sum of its proper divisors (1).

38245553447 is an equidigital number, since it uses as much as digits as its factorization.

38245553447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064000, while the sum is 50.

The spelling of 38245553447 in words is "thirty-eight billion, two hundred forty-five million, five hundred fifty-three thousand, four hundred forty-seven".