2347556947 has 2 divisors, whose sum is σ = 2347556948. Its totient is φ = 2347556946.

The previous prime is 2347556941. The next prime is 2347556983. The reversal of 2347556947 is 7496557432.

It is a happy number.

2347556947 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 a de Polignac number, because none of the positive numbers 2^k-2347556947 is a prime.

It is a super-2 number, since 2×2347556947² = 11022047238815921618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2347556894 and 2347556903.

It is not a weakly prime, because it can be changed into another prime (2347556941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1173778473 + 1173778474.

It is an arithmetic number, because the mean of its divisors is an integer number (1173778474).

Almost surely, 2^2347556947 is an apocalyptic number.

2347556947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2347556947 is an equidigital number, since it uses as much as digits as its factorization.

2347556947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6350400, while the sum is 52.

The square root of 2347556947 is about 48451.5938540725. The cubic root of 2347556947 is about 1329.0420197395.

The spelling of 2347556947 in words is "two billion, three hundred forty-seven million, five hundred fifty-six thousand, nine hundred forty-seven".