264426220403 has 2 divisors, whose sum is σ = 264426220404. Its totient is φ = 264426220402.

The previous prime is 264426220337. The next prime is 264426220493. The reversal of 264426220403 is 304022624462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264426220403 - 2⁸ = 264426220147 is a prime.

It is not a weakly prime, because it can be changed into another prime (264426220493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132213110201 + 132213110202.

It is an arithmetic number, because the mean of its divisors is an integer number (132213110202).

Almost surely, 2^264426220403 is an apocalyptic number.

264426220403 is a deficient number, since it is larger than the sum of its proper divisors (1).

264426220403 is an equidigital number, since it uses as much as digits as its factorization.

264426220403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 264426220403 its reverse (304022624462), we get a palindrome (568448844865).

The spelling of 264426220403 in words is "two hundred sixty-four billion, four hundred twenty-six million, two hundred twenty thousand, four hundred three".