4021403311209 has 32 divisors (see below), whose sum is σ = 5390314209280. Its totient is φ = 2666756276352.

The previous prime is 4021403311199. The next prime is 4021403311249. The reversal of 4021403311209 is 9021133041204.

It is not a de Polignac number, because 4021403311209 - 2⁹ = 4021403310697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4021403311249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1407560109 + ... + 1407562965.

It is an arithmetic number, because the mean of its divisors is an integer number (168447319040).

Almost surely, 2^{4021403311209} is an apocalyptic number.

It is an amenable number.

4021403311209 is a deficient number, since it is larger than the sum of its proper divisors (1368910898071).

4021403311209 is a wasteful number, since it uses less digits than its factorization.

4021403311209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5749.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 4021403311209 in words is "four trillion, twenty-one billion, four hundred three million, three hundred eleven thousand, two hundred nine".