5425069421 has 2 divisors, whose sum is σ = 5425069422. Its totient is φ = 5425069420.

The previous prime is 5425069399. The next prime is 5425069477. The reversal of 5425069421 is 1249605245.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5412544900 + 12524521 = 73570^2 + 3539^2 .

It is a cyclic number.

It is not a de Polignac number, because 5425069421 - 2⁶ = 5425069357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5425069021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2712534710 + 2712534711.

It is an arithmetic number, because the mean of its divisors is an integer number (2712534711).

Almost surely, 2^5425069421 is an apocalyptic number.

It is an amenable number.

5425069421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5425069421 is an equidigital number, since it uses as much as digits as its factorization.

5425069421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 5425069421 is about 73655.0705722288. The cubic root of 5425069421 is about 1757.1213942854.

The spelling of 5425069421 in words is "five billion, four hundred twenty-five million, sixty-nine thousand, four hundred twenty-one".