4021611366429 has 8 divisors (see below), whose sum is σ = 5957942765120. Its totient is φ = 2681074244268.

The previous prime is 4021611366389. The next prime is 4021611366431. The reversal of 4021611366429 is 9246631161204.

4021611366429 is a `hidden beast` number, since 4 + 0 + 2 + 1 + 611 + 3 + 6 + 6 + 4 + 29 = 666.

4021611366429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4021611366429 - 2⁸ = 4021611366173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021611366499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74474284537 + ... + 74474284590.

It is an arithmetic number, because the mean of its divisors is an integer number (744742845640).

Almost surely, 2^{4021611366429} is an apocalyptic number.

It is an amenable number.

4021611366429 is a deficient number, since it is larger than the sum of its proper divisors (1936331398691).

4021611366429 is a wasteful number, since it uses less digits than its factorization.

4021611366429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148948569136 (or 148948569130 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 4021611366429 in words is "four trillion, twenty-one billion, six hundred eleven million, three hundred sixty-six thousand, four hundred twenty-nine".