264421766039 has 2 divisors, whose sum is σ = 264421766040. Its totient is φ = 264421766038.

The previous prime is 264421766009. The next prime is 264421766053. The reversal of 264421766039 is 930667124462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264421766039 - 2¹⁶ = 264421700503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264421766009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132210883019 + 132210883020.

It is an arithmetic number, because the mean of its divisors is an integer number (132210883020).

Almost surely, 2^264421766039 is an apocalyptic number.

264421766039 is a deficient number, since it is larger than the sum of its proper divisors (1).

264421766039 is an equidigital number, since it uses as much as digits as its factorization.

264421766039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 264421766039 in words is "two hundred sixty-four billion, four hundred twenty-one million, seven hundred sixty-six thousand, thirty-nine".