2983506947 has 4 divisors (see below), whose sum is σ = 2987611536. Its totient is φ = 2979402360.

The previous prime is 2983506943. The next prime is 2983506949. The reversal of 2983506947 is 7496053892.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2983506947 - 2² = 2983506943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2983506943) 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, 2051204 + ... + 2052657.

It is an arithmetic number, because the mean of its divisors is an integer number (746902884).

Almost surely, 2^2983506947 is an apocalyptic number.

2983506947 is a deficient number, since it is larger than the sum of its proper divisors (4104589).

2983506947 is an equidigital number, since it uses as much as digits as its factorization.

2983506947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104588.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The square root of 2983506947 is about 54621.4879603257. The cubic root of 2983506947 is about 1439.6017010239.

The spelling of 2983506947 in words is "two billion, nine hundred eighty-three million, five hundred six thousand, nine hundred forty-seven".