387226400443 has 2 divisors, whose sum is σ = 387226400444. Its totient is φ = 387226400442.

The previous prime is 387226400437. The next prime is 387226400453. The reversal of 387226400443 is 344004622783.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 387226400443 - 2³⁷ = 249787446971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 387226400443.

It is not a weakly prime, because it can be changed into another prime (387226400453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193613200221 + 193613200222.

It is an arithmetic number, because the mean of its divisors is an integer number (193613200222).

Almost surely, 2^387226400443 is an apocalyptic number.

387226400443 is a deficient number, since it is larger than the sum of its proper divisors (1).

387226400443 is an equidigital number, since it uses as much as digits as its factorization.

387226400443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 43.

The spelling of 387226400443 in words is "three hundred eighty-seven billion, two hundred twenty-six million, four hundred thousand, four hundred forty-three".