4000202010109 has 2 divisors, whose sum is σ = 4000202010110. Its totient is φ = 4000202010108.

The previous prime is 4000202010017. The next prime is 4000202010163. The reversal of 4000202010109 is 9010102020004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3810909144025 + 189292866084 = 1952155^2 + 435078^2 .

It is a cyclic number.

It is not a de Polignac number, because 4000202010109 - 2¹⁵ = 4000201977341 is a prime.

It is a super-2 number, since 2×4000202010109² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4000202010169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000101005054 + 2000101005055.

It is an arithmetic number, because the mean of its divisors is an integer number (2000101005055).

Almost surely, 2^{4000202010109} is an apocalyptic number.

It is an amenable number.

4000202010109 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000202010109 is an equidigital number, since it uses as much as digits as its factorization.

4000202010109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 4000202010109 in words is "four trillion, two hundred two million, ten thousand, one hundred nine".