4021969403 has 2 divisors, whose sum is σ = 4021969404. Its totient is φ = 4021969402.

The previous prime is 4021969349. The next prime is 4021969423. The reversal of 4021969403 is 3049691204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4021969403 - 2¹⁶ = 4021903867 is a prime.

It is not a weakly prime, because it can be changed into another prime (4021969423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010984701 + 2010984702.

It is an arithmetic number, because the mean of its divisors is an integer number (2010984702).

Almost surely, 2^4021969403 is an apocalyptic number.

4021969403 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021969403 is an equidigital number, since it uses as much as digits as its factorization.

4021969403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 4021969403 is about 63418.9987543165. The cubic root of 4021969403 is about 1590.3019353290.

The spelling of 4021969403 in words is "four billion, twenty-one million, nine hundred sixty-nine thousand, four hundred three".