1461634646627 has 2 divisors, whose sum is σ = 1461634646628. Its totient is φ = 1461634646626.

The previous prime is 1461634646609. The next prime is 1461634646683. The reversal of 1461634646627 is 7266464361641.

It is an a-pointer prime, because the next prime (1461634646683) can be obtained adding 1461634646627 to its sum of digits (56).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1461634646627 - 2²⁶ = 1461567537763 is a prime.

It is not a weakly prime, because it can be changed into another prime (1461634646687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730817323313 + 730817323314.

It is an arithmetic number, because the mean of its divisors is an integer number (730817323314).

Almost surely, 2^{1461634646627} is an apocalyptic number.

1461634646627 is a deficient number, since it is larger than the sum of its proper divisors (1).

1461634646627 is an equidigital number, since it uses as much as digits as its factorization.

1461634646627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20901888, while the sum is 56.

The spelling of 1461634646627 in words is "one trillion, four hundred sixty-one billion, six hundred thirty-four million, six hundred forty-six thousand, six hundred twenty-seven".