2403983947 has 2 divisors, whose sum is σ = 2403983948. Its totient is φ = 2403983946.

The previous prime is 2403983941. The next prime is 2403983963. The reversal of 2403983947 is 7493893042.

It is a happy number.

2403983947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2403983947 - 2¹⁹ = 2403459659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2403983947.

It is not a weakly prime, because it can be changed into another prime (2403983941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1201991973 + 1201991974.

It is an arithmetic number, because the mean of its divisors is an integer number (1201991974).

Almost surely, 2^2403983947 is an apocalyptic number.

2403983947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2403983947 is an equidigital number, since it uses as much as digits as its factorization.

2403983947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The square root of 2403983947 is about 49030.4389843697. The cubic root of 2403983947 is about 1339.6063198978.

The spelling of 2403983947 in words is "two billion, four hundred three million, nine hundred eighty-three thousand, nine hundred forty-seven".