2420916947 has 2 divisors, whose sum is σ = 2420916948. Its totient is φ = 2420916946.

The previous prime is 2420916931. The next prime is 2420916959. The reversal of 2420916947 is 7496190242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2420916947 - 2⁴ = 2420916931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2420916898 and 2420916907.

It is not a weakly prime, because it can be changed into another prime (2420912947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210458473 + 1210458474.

It is an arithmetic number, because the mean of its divisors is an integer number (1210458474).

Almost surely, 2^2420916947 is an apocalyptic number.

2420916947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420916947 is an equidigital number, since it uses as much as digits as its factorization.

2420916947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 2420916947 is about 49202.8144215349. The cubic root of 2420916947 is about 1342.7442363526.

The spelling of 2420916947 in words is "two billion, four hundred twenty million, nine hundred sixteen thousand, nine hundred forty-seven".