2621012347 has 2 divisors, whose sum is σ = 2621012348. Its totient is φ = 2621012346.

The previous prime is 2621012267. The next prime is 2621012389. The reversal of 2621012347 is 7432101262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2621012347 - 2¹¹ = 2621010299 is a prime.

It is not a weakly prime, because it can be changed into another prime (2621012747) 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, 1310506173 + 1310506174.

It is an arithmetic number, because the mean of its divisors is an integer number (1310506174).

Almost surely, 2^2621012347 is an apocalyptic number.

2621012347 is a deficient number, since it is larger than the sum of its proper divisors (1).

2621012347 is an equidigital number, since it uses as much as digits as its factorization.

2621012347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2621012347 is about 51195.8235308311. The cubic root of 2621012347 is about 1378.7632178505.

The spelling of 2621012347 in words is "two billion, six hundred twenty-one million, twelve thousand, three hundred forty-seven".