2359421953649 has 2 divisors, whose sum is σ = 2359421953650. Its totient is φ = 2359421953648.

The previous prime is 2359421953639. The next prime is 2359421953657. The reversal of 2359421953649 is 9463591249532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2341144806400 + 18277147249 = 1530080^2 + 135193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2359421953649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2359421953591 and 2359421953600.

It is not a weakly prime, because it can be changed into another prime (2359421953639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1179710976824 + 1179710976825.

It is an arithmetic number, because the mean of its divisors is an integer number (1179710976825).

Almost surely, 2^{2359421953649} is an apocalyptic number.

It is an amenable number.

2359421953649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2359421953649 is an equidigital number, since it uses as much as digits as its factorization.

2359421953649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62985600, while the sum is 62.

The spelling of 2359421953649 in words is "two trillion, three hundred fifty-nine billion, four hundred twenty-one million, nine hundred fifty-three thousand, six hundred forty-nine".