1461364366409 has 4 divisors (see below), whose sum is σ = 1461778706304. Its totient is φ = 1460950026516.

The previous prime is 1461364366321. The next prime is 1461364366417. The reversal of 1461364366409 is 9046634631641.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1461364366409 - 2¹² = 1461364362313 is a prime.

It is a super-2 number, since 2×1461364366409² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1461364363409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207164657 + ... + 207171710.

It is an arithmetic number, because the mean of its divisors is an integer number (365444676576).

Almost surely, 2^{1461364366409} is an apocalyptic number.

It is an amenable number.

1461364366409 is a deficient number, since it is larger than the sum of its proper divisors (414339895).

1461364366409 is an equidigital number, since it uses as much as digits as its factorization.

1461364366409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414339894.

The product of its (nonzero) digits is 6718464, while the sum is 53.

The spelling of 1461364366409 in words is "one trillion, four hundred sixty-one billion, three hundred sixty-four million, three hundred sixty-six thousand, four hundred nine".