1345332606621 has 16 divisors (see below), whose sum is σ = 1875935894400. Its totient is φ = 855982561280.

The previous prime is 1345332606599. The next prime is 1345332606641. The reversal of 1345332606621 is 1266062335431.

It is a cyclic number.

It is not a de Polignac number, because 1345332606621 - 2¹⁴ = 1345332590237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345332606641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21681240 + ... + 21743201.

It is an arithmetic number, because the mean of its divisors is an integer number (117245993400).

Almost surely, 2^{1345332606621} is an apocalyptic number.

It is an amenable number.

1345332606621 is a deficient number, since it is larger than the sum of its proper divisors (530603287779).

1345332606621 is a wasteful number, since it uses less digits than its factorization.

1345332606621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43424916.

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 1345332606621 in words is "one trillion, three hundred forty-five billion, three hundred thirty-two million, six hundred six thousand, six hundred twenty-one".