383646898447 has 2 divisors, whose sum is σ = 383646898448. Its totient is φ = 383646898446.

The previous prime is 383646898433. The next prime is 383646898457. The reversal of 383646898447 is 744898646383.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-383646898447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (383646898457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191823449223 + 191823449224.

It is an arithmetic number, because the mean of its divisors is an integer number (191823449224).

Almost surely, 2^383646898447 is an apocalyptic number.

383646898447 is a deficient number, since it is larger than the sum of its proper divisors (1).

383646898447 is an equidigital number, since it uses as much as digits as its factorization.

383646898447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 668860416, while the sum is 70.

The spelling of 383646898447 in words is "three hundred eighty-three billion, six hundred forty-six million, eight hundred ninety-eight thousand, four hundred forty-seven".