39469091 has 2 divisors, whose sum is σ = 39469092. Its totient is φ = 39469090.

The previous prime is 39469069. The next prime is 39469093. The reversal of 39469091 is 19096493.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39469091 is a prime.

Together with 39469093, 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 (39469093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19734545 + 19734546.

It is an arithmetic number, because the mean of its divisors is an integer number (19734546).

Almost surely, 2^39469091 is an apocalyptic number.

39469091 is a deficient number, since it is larger than the sum of its proper divisors (1).

39469091 is an equidigital number, since it uses as much as digits as its factorization.

39469091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 39469091 is about 6282.4430757469. The cubic root of 39469091 is about 340.4753759821.

The spelling of 39469091 in words is "thirty-nine million, four hundred sixty-nine thousand, ninety-one".