3506426731 has 2 divisors, whose sum is σ = 3506426732. Its totient is φ = 3506426730.

The previous prime is 3506426683. The next prime is 3506426753. The reversal of 3506426731 is 1376246053.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3506426731 - 2⁷ = 3506426603 is a prime.

It is a super-2 number, since 2×3506426731² = 24590056839742692722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3506426431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1753213365 + 1753213366.

It is an arithmetic number, because the mean of its divisors is an integer number (1753213366).

Almost surely, 2^3506426731 is an apocalyptic number.

3506426731 is a deficient number, since it is larger than the sum of its proper divisors (1).

3506426731 is an equidigital number, since it uses as much as digits as its factorization.

3506426731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 3506426731 is about 59215.0887105643. The cubic root of 3506426731 is about 1519.2232196475.

The spelling of 3506426731 in words is "three billion, five hundred six million, four hundred twenty-six thousand, seven hundred thirty-one".