297442920947 has 4 divisors (see below), whose sum is σ = 300330716400. Its totient is φ = 294555125496.

The previous prime is 297442920913. The next prime is 297442920977. The reversal of 297442920947 is 749029244792.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-297442920947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (297442920977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1443897572 + ... + 1443897777.

It is an arithmetic number, because the mean of its divisors is an integer number (75082679100).

Almost surely, 2^297442920947 is an apocalyptic number.

297442920947 is a deficient number, since it is larger than the sum of its proper divisors (2887795453).

297442920947 is a wasteful number, since it uses less digits than its factorization.

297442920947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887795452.

The product of its (nonzero) digits is 18289152, while the sum is 59.

The spelling of 297442920947 in words is "two hundred ninety-seven billion, four hundred forty-two million, nine hundred twenty thousand, nine hundred forty-seven".