2346443145661 has 4 divisors (see below), whose sum is σ = 2427354978300. Its totient is φ = 2265531313024.

The previous prime is 2346443145659. The next prime is 2346443145667. The reversal of 2346443145661 is 1665413446432.

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 596881401561 + 1749561744100 = 772581^2 + 1322710^2 .

It is a cyclic number.

It is not a de Polignac number, because 2346443145661 - 2¹ = 2346443145659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2346443145667) 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, 40455916276 + ... + 40455916333.

It is an arithmetic number, because the mean of its divisors is an integer number (606838744575).

Almost surely, 2^{2346443145661} is an apocalyptic number.

It is an amenable number.

2346443145661 is a deficient number, since it is larger than the sum of its proper divisors (80911832639).

2346443145661 is an equidigital number, since it uses as much as digits as its factorization.

2346443145661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80911832638.

The product of its digits is 4976640, while the sum is 49.

The spelling of 2346443145661 in words is "two trillion, three hundred forty-six billion, four hundred forty-three million, one hundred forty-five thousand, six hundred sixty-one".