2621931241 has 2 divisors, whose sum is σ = 2621931242. Its totient is φ = 2621931240.

The previous prime is 2621931223. The next prime is 2621931251. The reversal of 2621931241 is 1421391262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2534115600 + 87815641 = 50340^2 + 9371^2 .

It is a cyclic number.

It is not a de Polignac number, because 2621931241 - 2¹³ = 2621923049 is a prime.

It is not a weakly prime, because it can be changed into another prime (2621931251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310965620 + 1310965621.

It is an arithmetic number, because the mean of its divisors is an integer number (1310965621).

Almost surely, 2^2621931241 is an apocalyptic number.

It is an amenable number.

2621931241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2621931241 is an equidigital number, since it uses as much as digits as its factorization.

2621931241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 31.

The square root of 2621931241 is about 51204.7970506670. The cubic root of 2621931241 is about 1378.9243247120.

The spelling of 2621931241 in words is "two billion, six hundred twenty-one million, nine hundred thirty-one thousand, two hundred forty-one".