1342621606461 has 4 divisors (see below), whose sum is σ = 1790162141952. Its totient is φ = 895081070972.

The previous prime is 1342621606433. The next prime is 1342621606477. The reversal of 1342621606461 is 1646061262431.

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 1342621606461 - 2⁵ = 1342621606429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342621606561) 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, 223770267741 + ... + 223770267746.

It is an arithmetic number, because the mean of its divisors is an integer number (447540535488).

Almost surely, 2^{1342621606461} is an apocalyptic number.

It is an amenable number.

1342621606461 is a deficient number, since it is larger than the sum of its proper divisors (447540535491).

1342621606461 is an equidigital number, since it uses as much as digits as its factorization.

1342621606461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447540535490.

The product of its (nonzero) digits is 248832, while the sum is 42.

Adding to 1342621606461 its reverse (1646061262431), we get a palindrome (2988682868892).

The spelling of 1342621606461 in words is "one trillion, three hundred forty-two billion, six hundred twenty-one million, six hundred six thousand, four hundred sixty-one".