42632969 has 2 divisors, whose sum is σ = 42632970. Its totient is φ = 42632968.

The previous prime is 42632963. The next prime is 42632981. The reversal of 42632969 is 96923624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35557369 + 7075600 = 5963^2 + 2660^2 .

It is a cyclic number.

It is not a de Polignac number, because 42632969 - 2²⁰ = 41584393 is a prime.

It is a super-2 number, since 2×42632969² = 3635140091509922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42632963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21316484 + 21316485.

It is an arithmetic number, because the mean of its divisors is an integer number (21316485).

Almost surely, 2^42632969 is an apocalyptic number.

It is an amenable number.

42632969 is a deficient number, since it is larger than the sum of its proper divisors (1).

42632969 is an equidigital number, since it uses as much as digits as its factorization.

42632969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 41.

The square root of 42632969 is about 6529.3926976404. The cubic root of 42632969 is about 349.3401690928.

The spelling of 42632969 in words is "forty-two million, six hundred thirty-two thousand, nine hundred sixty-nine".