8141621651 has 2 divisors, whose sum is σ = 8141621652. Its totient is φ = 8141621650.

The previous prime is 8141621629. The next prime is 8141621707. The reversal of 8141621651 is 1561261418.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8141621651 - 2¹⁴ = 8141605267 is a prime.

It is not a weakly prime, because it can be changed into another prime (8141621051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4070810825 + 4070810826.

It is an arithmetic number, because the mean of its divisors is an integer number (4070810826).

Almost surely, 2^8141621651 is an apocalyptic number.

8141621651 is a deficient number, since it is larger than the sum of its proper divisors (1).

8141621651 is an equidigital number, since it uses as much as digits as its factorization.

8141621651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 35.

The square root of 8141621651 is about 90230.9351109696. The cubic root of 8141621651 is about 2011.7328398893.

The spelling of 8141621651 in words is "eight billion, one hundred forty-one million, six hundred twenty-one thousand, six hundred fifty-one".