420291753403 has 2 divisors, whose sum is σ = 420291753404. Its totient is φ = 420291753402.

The previous prime is 420291753397. The next prime is 420291753437. The reversal of 420291753403 is 304357192024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420291753403 - 2⁹ = 420291752891 is a prime.

It is not a weakly prime, because it can be changed into another prime (420291753443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210145876701 + 210145876702.

It is an arithmetic number, because the mean of its divisors is an integer number (210145876702).

Almost surely, 2^420291753403 is an apocalyptic number.

420291753403 is a deficient number, since it is larger than the sum of its proper divisors (1).

420291753403 is an equidigital number, since it uses as much as digits as its factorization.

420291753403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 420291753403 in words is "four hundred twenty billion, two hundred ninety-one million, seven hundred fifty-three thousand, four hundred three".