5428020407 has 2 divisors, whose sum is σ = 5428020408. Its totient is φ = 5428020406.

The previous prime is 5428020397. The next prime is 5428020413. The reversal of 5428020407 is 7040208245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5428020407 - 2²² = 5423826103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5428020487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2714010203 + 2714010204.

It is an arithmetic number, because the mean of its divisors is an integer number (2714010204).

Almost surely, 2^5428020407 is an apocalyptic number.

5428020407 is a deficient number, since it is larger than the sum of its proper divisors (1).

5428020407 is an equidigital number, since it uses as much as digits as its factorization.

5428020407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 5428020407 is about 73675.1003189001. The cubic root of 5428020407 is about 1757.4399340336.

The spelling of 5428020407 in words is "five billion, four hundred twenty-eight million, twenty thousand, four hundred seven".