4021611366534 has 32 divisors (see below), whose sum is σ = 8516840432256. Its totient is φ = 1261609856640.

The previous prime is 4021611366499. The next prime is 4021611366559. The reversal of 4021611366534 is 4356631161204.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 679569 + ... + 2916339.

It is an arithmetic number, because the mean of its divisors is an integer number (266151263508).

Almost surely, 2^{4021611366534} is an apocalyptic number.

4021611366534 is an abundant number, since it is smaller than the sum of its proper divisors (4495229065722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4021611366534 is a wasteful number, since it uses less digits than its factorization.

4021611366534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254420.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 4021611366534 in words is "four trillion, twenty-one billion, six hundred eleven million, three hundred sixty-six thousand, five hundred thirty-four".