264806900563951 has 2 divisors, whose sum is σ = 264806900563952. Its totient is φ = 264806900563950.

The previous prime is 264806900563879. The next prime is 264806900563973. The reversal of 264806900563951 is 159365009608462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264806900563951 - 2¹⁵ = 264806900531183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264806900563991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132403450281975 + 132403450281976.

It is an arithmetic number, because the mean of its divisors is an integer number (132403450281976).

Almost surely, 2^{264806900563951} is an apocalyptic number.

264806900563951 is a deficient number, since it is larger than the sum of its proper divisors (1).

264806900563951 is an equidigital number, since it uses as much as digits as its factorization.

264806900563951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 83980800, while the sum is 64.

The spelling of 264806900563951 in words is "two hundred sixty-four trillion, eight hundred six billion, nine hundred million, five hundred sixty-three thousand, nine hundred fifty-one".