2356783391089 has 2 divisors, whose sum is σ = 2356783391090. Its totient is φ = 2356783391088.

The previous prime is 2356783391069. The next prime is 2356783391101. The reversal of 2356783391089 is 9801933876532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1848675315600 + 508108075489 = 1359660^2 + 712817^2 .

It is a cyclic number.

It is not a de Polignac number, because 2356783391089 - 2¹¹ = 2356783389041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2356783391089.

It is not a weakly prime, because it can be changed into another prime (2356783391069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1178391695544 + 1178391695545.

It is an arithmetic number, because the mean of its divisors is an integer number (1178391695545).

Almost surely, 2^{2356783391089} is an apocalyptic number.

It is an amenable number.

2356783391089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2356783391089 is an equidigital number, since it uses as much as digits as its factorization.

2356783391089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58786560, while the sum is 64.

The spelling of 2356783391089 in words is "two trillion, three hundred fifty-six billion, seven hundred eighty-three million, three hundred ninety-one thousand, eighty-nine".