2420403949 has 2 divisors, whose sum is σ = 2420403950. Its totient is φ = 2420403948.

The previous prime is 2420403893. The next prime is 2420403959. The reversal of 2420403949 is 9493040242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1304509924 + 1115894025 = 36118^2 + 33405^2 .

It is a cyclic number.

It is not a de Polignac number, because 2420403949 - 2²³ = 2412015341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2420403959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210201974 + 1210201975.

It is an arithmetic number, because the mean of its divisors is an integer number (1210201975).

Almost surely, 2^2420403949 is an apocalyptic number.

It is an amenable number.

2420403949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420403949 is an equidigital number, since it uses as much as digits as its factorization.

2420403949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 2420403949 is about 49197.6010492382. The cubic root of 2420403949 is about 1342.6493860978.

The spelling of 2420403949 in words is "two billion, four hundred twenty million, four hundred three thousand, nine hundred forty-nine".