6154325491 has 2 divisors, whose sum is σ = 6154325492. Its totient is φ = 6154325490.

The previous prime is 6154325447. The next prime is 6154325501. The reversal of 6154325491 is 1945234516.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6154325491 is a prime.

It is not a weakly prime, because it can be changed into another prime (6154355491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3077162745 + 3077162746.

It is an arithmetic number, because the mean of its divisors is an integer number (3077162746).

Almost surely, 2^6154325491 is an apocalyptic number.

6154325491 is a deficient number, since it is larger than the sum of its proper divisors (1).

6154325491 is an equidigital number, since it uses as much as digits as its factorization.

6154325491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 40.

The square root of 6154325491 is about 78449.5091826584. The cubic root of 6154325491 is about 1832.5682326549.

The spelling of 6154325491 in words is "six billion, one hundred fifty-four million, three hundred twenty-five thousand, four hundred ninety-one".