6502500091 has 2 divisors, whose sum is σ = 6502500092. Its totient is φ = 6502500090.

The previous prime is 6502500049. The next prime is 6502500097. The reversal of 6502500091 is 1900052056.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6502500091 - 2¹¹ = 6502498043 is a prime.

It is not a weakly prime, because it can be changed into another prime (6502500097) 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, 3251250045 + 3251250046.

It is an arithmetic number, because the mean of its divisors is an integer number (3251250046).

Almost surely, 2^6502500091 is an apocalyptic number.

6502500091 is a deficient number, since it is larger than the sum of its proper divisors (1).

6502500091 is an equidigital number, since it uses as much as digits as its factorization.

6502500091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 6502500091 is about 80638.0808985432. The cubic root of 6502500091 is about 1866.4948199830.

The spelling of 6502500091 in words is "six billion, five hundred two million, five hundred thousand, ninety-one".