3500021479 has 2 divisors, whose sum is σ = 3500021480. Its totient is φ = 3500021478.

The previous prime is 3500021477. The next prime is 3500021537. The reversal of 3500021479 is 9741200053.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3500021479 - 2¹ = 3500021477 is a prime.

It is a super-2 number, since 2×3500021479² = 24500300706922694882, which contains 22 as substring.

Together with 3500021477, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3500021479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3500021477) 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, 1750010739 + 1750010740.

It is an arithmetic number, because the mean of its divisors is an integer number (1750010740).

Almost surely, 2^3500021479 is an apocalyptic number.

3500021479 is a deficient number, since it is larger than the sum of its proper divisors (1).

3500021479 is an equidigital number, since it uses as much as digits as its factorization.

3500021479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 3500021479 is about 59160.9793614000. The cubic root of 3500021479 is about 1518.2975917836.

The spelling of 3500021479 in words is "three billion, five hundred million, twenty-one thousand, four hundred seventy-nine".