3506161639 has 2 divisors, whose sum is σ = 3506161640. Its totient is φ = 3506161638.

The previous prime is 3506161577. The next prime is 3506161663. The reversal of 3506161639 is 9361616053.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3506161639 - 2⁷ = 3506161511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3506161669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1753080819 + 1753080820.

It is an arithmetic number, because the mean of its divisors is an integer number (1753080820).

Almost surely, 2^3506161639 is an apocalyptic number.

3506161639 is a deficient number, since it is larger than the sum of its proper divisors (1).

3506161639 is an equidigital number, since it uses as much as digits as its factorization.

3506161639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 3506161639 is about 59212.8502860654. The cubic root of 3506161639 is about 1519.1849333709.

The spelling of 3506161639 in words is "three billion, five hundred six million, one hundred sixty-one thousand, six hundred thirty-nine".