1464236455261 has 4 divisors (see below), whose sum is σ = 1464881779900. Its totient is φ = 1463591130624.

The previous prime is 1464236455207. The next prime is 1464236455277. The reversal of 1464236455261 is 1625546324641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60648912900 + 1403587542361 = 246270^2 + 1184731^2 .

It is a cyclic number.

It is not a de Polignac number, because 1464236455261 - 2³⁵ = 1429876716893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1464236455061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322658916 + ... + 322663453.

It is an arithmetic number, because the mean of its divisors is an integer number (366220444975).

Almost surely, 2^{1464236455261} is an apocalyptic number.

It is an amenable number.

1464236455261 is a deficient number, since it is larger than the sum of its proper divisors (645324639).

1464236455261 is an equidigital number, since it uses as much as digits as its factorization.

1464236455261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645324638.

The product of its digits is 4147200, while the sum is 49.

The spelling of 1464236455261 in words is "one trillion, four hundred sixty-four billion, two hundred thirty-six million, four hundred fifty-five thousand, two hundred sixty-one".