3250191643 has 2 divisors, whose sum is σ = 3250191644. Its totient is φ = 3250191642.

The previous prime is 3250191601. The next prime is 3250191649. The reversal of 3250191643 is 3461910523.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3250191643 - 2¹³ = 3250183451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3250191599 and 3250191608.

It is not a weakly prime, because it can be changed into another prime (3250191649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1625095821 + 1625095822.

It is an arithmetic number, because the mean of its divisors is an integer number (1625095822).

Almost surely, 2^3250191643 is an apocalyptic number.

3250191643 is a deficient number, since it is larger than the sum of its proper divisors (1).

3250191643 is an equidigital number, since it uses as much as digits as its factorization.

3250191643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 3250191643 is about 57010.4520504793. The cubic root of 3250191643 is about 1481.2771485870.

The spelling of 3250191643 in words is "three billion, two hundred fifty million, one hundred ninety-one thousand, six hundred forty-three".