404032308947 has 2 divisors, whose sum is σ = 404032308948. Its totient is φ = 404032308946.

The previous prime is 404032308931. The next prime is 404032308949. The reversal of 404032308947 is 749803230404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404032308947 - 2⁴ = 404032308931 is a prime.

Together with 404032308949, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 404032308898 and 404032308907.

It is not a weakly prime, because it can be changed into another prime (404032308949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202016154473 + 202016154474.

It is an arithmetic number, because the mean of its divisors is an integer number (202016154474).

Almost surely, 2^404032308947 is an apocalyptic number.

404032308947 is a deficient number, since it is larger than the sum of its proper divisors (1).

404032308947 is an equidigital number, since it uses as much as digits as its factorization.

404032308947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 404032308947 in words is "four hundred four billion, thirty-two million, three hundred eight thousand, nine hundred forty-seven".