1414064621665 has 4 divisors (see below), whose sum is σ = 1696877546004. Its totient is φ = 1131251697328.

The previous prime is 1414064621659. The next prime is 1414064621677. The reversal of 1414064621665 is 5661264604141.

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 864223092496 + 549841529169 = 929636^2 + 741513^2 .

It is a cyclic number.

It is not a de Polignac number, because 1414064621665 - 2³ = 1414064621657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141406462162 + ... + 141406462171.

It is an arithmetic number, because the mean of its divisors is an integer number (424219386501).

Almost surely, 2^{1414064621665} is an apocalyptic number.

It is an amenable number.

1414064621665 is a deficient number, since it is larger than the sum of its proper divisors (282812924339).

1414064621665 is an equidigital number, since it uses as much as digits as its factorization.

1414064621665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282812924338.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 1414064621665 in words is "one trillion, four hundred fourteen billion, sixty-four million, six hundred twenty-one thousand, six hundred sixty-five".