3521868499 has 2 divisors, whose sum is σ = 3521868500. Its totient is φ = 3521868498.

The previous prime is 3521868487. The next prime is 3521868509. The reversal of 3521868499 is 9948681253.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3521868499 - 2¹⁵ = 3521835731 is a prime.

It is not a weakly prime, because it can be changed into another prime (3521868409) 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, 1760934249 + 1760934250.

It is an arithmetic number, because the mean of its divisors is an integer number (1760934250).

Almost surely, 2^3521868499 is an apocalyptic number.

3521868499 is a deficient number, since it is larger than the sum of its proper divisors (1).

3521868499 is an equidigital number, since it uses as much as digits as its factorization.

3521868499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 55.

The square root of 3521868499 is about 59345.3325797404. The cubic root of 3521868499 is about 1521.4500962716.

The spelling of 3521868499 in words is "three billion, five hundred twenty-one million, eight hundred sixty-eight thousand, four hundred ninety-nine".