2456421029 has 2 divisors, whose sum is σ = 2456421030. Its totient is φ = 2456421028.

The previous prime is 2456420977. The next prime is 2456421089. The reversal of 2456421029 is 9201246542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2276244100 + 180176929 = 47710^2 + 13423^2 .

It is a cyclic number.

It is not a de Polignac number, because 2456421029 - 2²⁴ = 2439643813 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2456421029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2456421089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1228210514 + 1228210515.

It is an arithmetic number, because the mean of its divisors is an integer number (1228210515).

Almost surely, 2^2456421029 is an apocalyptic number.

It is an amenable number.

2456421029 is a deficient number, since it is larger than the sum of its proper divisors (1).

2456421029 is an equidigital number, since it uses as much as digits as its factorization.

2456421029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 2456421029 is about 49562.2944283252. The cubic root of 2456421029 is about 1349.2764351197.

The spelling of 2456421029 in words is "two billion, four hundred fifty-six million, four hundred twenty-one thousand, twenty-nine".