8435670669 has 16 divisors (see below), whose sum is σ = 12626131840. Its totient is φ = 5565801600.

The previous prime is 8435670653. The next prime is 8435670697. The reversal of 8435670669 is 9660765348.

It is not a de Polignac number, because 8435670669 - 2⁴ = 8435670653 is a prime.

It is a super-2 number, since 2×8435670669² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8435670619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1607857 + ... + 1613094.

It is an arithmetic number, because the mean of its divisors is an integer number (789133240).

Almost surely, 2^8435670669 is an apocalyptic number.

It is an amenable number.

8435670669 is a deficient number, since it is larger than the sum of its proper divisors (4190461171).

8435670669 is a wasteful number, since it uses less digits than its factorization.

8435670669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221057 (or 3221051 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The square root of 8435670669 is about 91845.9071978714. The cubic root of 8435670669 is about 2035.6660738626. Note that the first 3 decimals are identical.

The spelling of 8435670669 in words is "eight billion, four hundred thirty-five million, six hundred seventy thousand, six hundred sixty-nine".