8141621707 has 2 divisors, whose sum is σ = 8141621708. Its totient is φ = 8141621706.

The previous prime is 8141621651. The next prime is 8141621731. The reversal of 8141621707 is 7071261418.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8141621707 is a prime.

It is not a weakly prime, because it can be changed into another prime (8141621767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4070810853 + 4070810854.

It is an arithmetic number, because the mean of its divisors is an integer number (4070810854).

Almost surely, 2^8141621707 is an apocalyptic number.

8141621707 is a deficient number, since it is larger than the sum of its proper divisors (1).

8141621707 is an equidigital number, since it uses as much as digits as its factorization.

8141621707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 8141621707 is about 90230.9354212844. The cubic root of 8141621707 is about 2011.7328445017.

The spelling of 8141621707 in words is "eight billion, one hundred forty-one million, six hundred twenty-one thousand, seven hundred seven".