42476969 has 2 divisors, whose sum is σ = 42476970. Its totient is φ = 42476968.

The previous prime is 42476953. The next prime is 42476971. The reversal of 42476969 is 96967424.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37982569 + 4494400 = 6163^2 + 2120^2 .

It is a cyclic number.

It is not a de Polignac number, because 42476969 - 2⁴ = 42476953 is a prime.

It is a super-2 number, since 2×42476969² = 3608585790853922, which contains 22 as substring.

Together with 42476971, 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 (42476939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21238484 + 21238485.

It is an arithmetic number, because the mean of its divisors is an integer number (21238485).

Almost surely, 2^42476969 is an apocalyptic number.

It is an amenable number.

42476969 is a deficient number, since it is larger than the sum of its proper divisors (1).

42476969 is an equidigital number, since it uses as much as digits as its factorization.

42476969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 47.

The square root of 42476969 is about 6517.4357687667. The cubic root of 42476969 is about 348.9135534640.

The spelling of 42476969 in words is "forty-two million, four hundred seventy-six thousand, nine hundred sixty-nine".