8152149091 has 2 divisors, whose sum is σ = 8152149092. Its totient is φ = 8152149090.

The previous prime is 8152149079. The next prime is 8152149127. The reversal of 8152149091 is 1909412518.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8152149091 - 2⁵ = 8152149059 is a prime.

It is not a weakly prime, because it can be changed into another prime (8152149011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4076074545 + 4076074546.

It is an arithmetic number, because the mean of its divisors is an integer number (4076074546).

Almost surely, 2^8152149091 is an apocalyptic number.

8152149091 is a deficient number, since it is larger than the sum of its proper divisors (1).

8152149091 is an equidigital number, since it uses as much as digits as its factorization.

8152149091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 40.

The square root of 8152149091 is about 90289.2523559698. The cubic root of 8152149091 is about 2012.5995499076.

The spelling of 8152149091 in words is "eight billion, one hundred fifty-two million, one hundred forty-nine thousand, ninety-one".