214061637643 has 16 divisors (see below), whose sum is σ = 245793222144. Its totient is φ = 182618377920.

The previous prime is 214061637637. The next prime is 214061637659. The reversal of 214061637643 is 346736160412.

It is a cyclic number.

It is not a de Polignac number, because 214061637643 - 2¹³ = 214061629451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214061637643.

It is not an unprimeable number, because it can be changed into a prime (214061637613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5814871 + ... + 5851567.

It is an arithmetic number, because the mean of its divisors is an integer number (15362076384).

Almost surely, 2^214061637643 is an apocalyptic number.

214061637643 is a deficient number, since it is larger than the sum of its proper divisors (31731584501).

214061637643 is a wasteful number, since it uses less digits than its factorization.

214061637643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40602.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 214061637643 in words is "two hundred fourteen billion, sixty-one million, six hundred thirty-seven thousand, six hundred forty-three".