4181402969 has 2 divisors, whose sum is σ = 4181402970. Its totient is φ = 4181402968.

The previous prime is 4181402963. The next prime is 4181402971. The reversal of 4181402969 is 9692041814.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2704000000 + 1477402969 = 52000^2 + 38437^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4181402969 is a prime.

It is a super-2 number, since 2×4181402969² = 34968261578324029922, which contains 22 as substring.

Together with 4181402971, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4181402963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2090701484 + 2090701485.

It is an arithmetic number, because the mean of its divisors is an integer number (2090701485).

Almost surely, 2^4181402969 is an apocalyptic number.

It is an amenable number.

4181402969 is a deficient number, since it is larger than the sum of its proper divisors (1).

4181402969 is an equidigital number, since it uses as much as digits as its factorization.

4181402969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 4181402969 is about 64663.7685957136. The cubic root of 4181402969 is about 1611.0437747699.

The spelling of 4181402969 in words is "four billion, one hundred eighty-one million, four hundred two thousand, nine hundred sixty-nine".