2361720376643 has 4 divisors (see below), whose sum is σ = 2361792661920. Its totient is φ = 2361648091368.

The previous prime is 2361720376601. The next prime is 2361720376661. The reversal of 2361720376643 is 3466730271632.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2361720376643 - 2⁸ = 2361720376387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2361720376591 and 2361720376600.

It is not an unprimeable number, because it can be changed into a prime (2361720376843) 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, 36093608 + ... + 36158981.

It is an arithmetic number, because the mean of its divisors is an integer number (590448165480).

Almost surely, 2^{2361720376643} is an apocalyptic number.

2361720376643 is a deficient number, since it is larger than the sum of its proper divisors (72285277).

2361720376643 is an equidigital number, since it uses as much as digits as its factorization.

2361720376643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72285276.

The product of its (nonzero) digits is 4572288, while the sum is 50.

The spelling of 2361720376643 in words is "two trillion, three hundred sixty-one billion, seven hundred twenty million, three hundred seventy-six thousand, six hundred forty-three".