3506974139 has 2 divisors, whose sum is σ = 3506974140. Its totient is φ = 3506974138.

The previous prime is 3506974033. The next prime is 3506974187. The reversal of 3506974139 is 9314796053.

It is a strong prime.

It is an emirp because it is prime and its reverse (9314796053) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3506974139 - 2²⁸ = 3238538683 is a prime.

It is a super-2 number, since 2×3506974139² = 24597735223229582642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3506974093 and 3506974102.

It is not a weakly prime, because it can be changed into another prime (3506974199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1753487069 + 1753487070.

It is an arithmetic number, because the mean of its divisors is an integer number (1753487070).

Almost surely, 2^3506974139 is an apocalyptic number.

3506974139 is a deficient number, since it is larger than the sum of its proper divisors (1).

3506974139 is an equidigital number, since it uses as much as digits as its factorization.

3506974139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360, while the sum is 47.

The square root of 3506974139 is about 59219.7107304654. The cubic root of 3506974139 is about 1519.3022736945.

The spelling of 3506974139 in words is "three billion, five hundred six million, nine hundred seventy-four thousand, one hundred thirty-nine".