38405474351 has 2 divisors, whose sum is σ = 38405474352. Its totient is φ = 38405474350.

The previous prime is 38405474293. The next prime is 38405474353. The reversal of 38405474351 is 15347450483.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38405474351 is a prime.

Together with 38405474353, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38405474353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19202737175 + 19202737176.

It is an arithmetic number, because the mean of its divisors is an integer number (19202737176).

Almost surely, 2^38405474351 is an apocalyptic number.

38405474351 is a deficient number, since it is larger than the sum of its proper divisors (1).

38405474351 is an equidigital number, since it uses as much as digits as its factorization.

38405474351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 38405474351 in words is "thirty-eight billion, four hundred five million, four hundred seventy-four thousand, three hundred fifty-one".