2359621261 has 2 divisors, whose sum is σ = 2359621262. Its totient is φ = 2359621260.

The previous prime is 2359621249. The next prime is 2359621289. The reversal of 2359621261 is 1621269532.

2359621261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1398311236 + 961310025 = 37394^2 + 31005^2 .

It is a cyclic number.

It is not a de Polignac number, because 2359621261 - 2⁹ = 2359620749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2359621261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2359621361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1179810630 + 1179810631.

It is an arithmetic number, because the mean of its divisors is an integer number (1179810631).

Almost surely, 2^2359621261 is an apocalyptic number.

It is an amenable number.

2359621261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2359621261 is an equidigital number, since it uses as much as digits as its factorization.

2359621261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 37.

The square root of 2359621261 is about 48575.9329400888. The cubic root of 2359621261 is about 1331.3148210746.

The spelling of 2359621261 in words is "two billion, three hundred fifty-nine million, six hundred twenty-one thousand, two hundred sixty-one".