4021434313901 has 2 divisors, whose sum is σ = 4021434313902. Its totient is φ = 4021434313900.

The previous prime is 4021434313861. The next prime is 4021434313909. The reversal of 4021434313901 is 1093134341204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2359142402500 + 1662291911401 = 1535950^2 + 1289299^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021434313901 - 2³⁰ = 4020360572077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021434313909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010717156950 + 2010717156951.

It is an arithmetic number, because the mean of its divisors is an integer number (2010717156951).

Almost surely, 2^{4021434313901} is an apocalyptic number.

It is an amenable number.

4021434313901 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021434313901 is an equidigital number, since it uses as much as digits as its factorization.

4021434313901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 4021434313901 in words is "four trillion, twenty-one billion, four hundred thirty-four million, three hundred thirteen thousand, nine hundred one".