8425620419 has 2 divisors, whose sum is σ = 8425620420. Its totient is φ = 8425620418.

The previous prime is 8425620407. The next prime is 8425620457. The reversal of 8425620419 is 9140265248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8425620419 - 2¹² = 8425616323 is a prime.

It is a super-2 number, since 2×8425620419² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8425620719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4212810209 + 4212810210.

It is an arithmetic number, because the mean of its divisors is an integer number (4212810210).

Almost surely, 2^8425620419 is an apocalyptic number.

8425620419 is a deficient number, since it is larger than the sum of its proper divisors (1).

8425620419 is an equidigital number, since it uses as much as digits as its factorization.

8425620419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 8425620419 is about 91791.1783288569. The cubic root of 8425620419 is about 2034.8573223884.

The spelling of 8425620419 in words is "eight billion, four hundred twenty-five million, six hundred twenty thousand, four hundred nineteen".