38430441035257 has 2 divisors, whose sum is σ = 38430441035258. Its totient is φ = 38430441035256.

The previous prime is 38430441035227. The next prime is 38430441035347. The reversal of 38430441035257 is 75253014403483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29021719126761 + 9408721908496 = 5387181^2 + 3067364^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38430441035257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38430441035257.

It is not a weakly prime, because it can be changed into another prime (38430441035227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19215220517628 + 19215220517629.

It is an arithmetic number, because the mean of its divisors is an integer number (19215220517629).

Almost surely, 2^{38430441035257} is an apocalyptic number.

It is an amenable number.

38430441035257 is a deficient number, since it is larger than the sum of its proper divisors (1).

38430441035257 is an equidigital number, since it uses as much as digits as its factorization.

38430441035257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4838400, while the sum is 49.

The spelling of 38430441035257 in words is "thirty-eight trillion, four hundred thirty billion, four hundred forty-one million, thirty-five thousand, two hundred fifty-seven".