3506422739 has 4 divisors (see below), whose sum is σ = 3509314656. Its totient is φ = 3503530824.

The previous prime is 3506422727. The next prime is 3506422763. The reversal of 3506422739 is 9372246053.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9372246053 = 131 ⋅71543863.

It is a cyclic number.

It is not a de Polignac number, because 3506422739 - 2⁸ = 3506422483 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3506422696 and 3506422705.

It is not an unprimeable number, because it can be changed into a prime (3506422769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1444139 + ... + 1446564.

It is an arithmetic number, because the mean of its divisors is an integer number (877328664).

Almost surely, 2^3506422739 is an apocalyptic number.

3506422739 is a deficient number, since it is larger than the sum of its proper divisors (2891917).

3506422739 is a wasteful number, since it uses less digits than its factorization.

3506422739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891916.

The product of its (nonzero) digits is 272160, while the sum is 41.

The square root of 3506422739 is about 59215.0550029298. The cubic root of 3506422739 is about 1519.2226431117. Note that the first 3 decimals are identical.

The spelling of 3506422739 in words is "three billion, five hundred six million, four hundred twenty-two thousand, seven hundred thirty-nine".