211362342642 has 48 divisors (see below), whose sum is σ = 499855067712. Its totient is φ = 64014406560.

The previous prime is 211362342641. The next prime is 211362342739. The reversal of 211362342642 is 246243263112.

211362342642 is a `hidden beast` number, since 2 + 1 + 1 + 3 + 6 + 2 + 3 + 4 + 2 + 642 = 666.

It is a super-2 number, since 2×211362342642² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211362342597 and 211362342606.

It is not an unprimeable number, because it can be changed into a prime (211362342641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76728 + ... + 654684.

It is an arithmetic number, because the mean of its divisors is an integer number (10413647244).

Almost surely, 2^211362342642 is an apocalyptic number.

211362342642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211362342642 is an abundant number, since it is smaller than the sum of its proper divisors (288492725070).

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

211362342642 is a wasteful number, since it uses less digits than its factorization.

211362342642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579823 (or 579820 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The spelling of 211362342642 in words is "two hundred eleven billion, three hundred sixty-two million, three hundred forty-two thousand, six hundred forty-two".