4008556967969 has 4 divisors (see below), whose sum is σ = 4093845414144. Its totient is φ = 3923268521796.

The previous prime is 4008556967939. The next prime is 4008556967977. The reversal of 4008556967969 is 9697696558004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4008556967969 - 2²⁸ = 4008288532513 is a prime.

It is a super-2 number, since 2×4008556967969² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4008556967896 and 4008556967905.

It is not an unprimeable number, because it can be changed into a prime (4008556967929) 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, 42644223017 + ... + 42644223110.

It is an arithmetic number, because the mean of its divisors is an integer number (1023461353536).

Almost surely, 2^{4008556967969} is an apocalyptic number.

It is an amenable number.

4008556967969 is a deficient number, since it is larger than the sum of its proper divisors (85288446175).

4008556967969 is an equidigital number, since it uses as much as digits as its factorization.

4008556967969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85288446174.

The product of its (nonzero) digits is 881798400, while the sum is 74.

The spelling of 4008556967969 in words is "four trillion, eight billion, five hundred fifty-six million, nine hundred sixty-seven thousand, nine hundred sixty-nine".