211462921013 has 4 divisors (see below), whose sum is σ = 211626974220. Its totient is φ = 211298867808.

The previous prime is 211462920983. The next prime is 211462921031. The reversal of 211462921013 is 310129264112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106316427844 + 105146493169 = 326062^2 + 324263^2 .

It is a cyclic number.

It is not a de Polignac number, because 211462921013 - 2¹⁰ = 211462919989 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 (211462921063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82024670 + ... + 82027247.

It is an arithmetic number, because the mean of its divisors is an integer number (52906743555).

Almost surely, 2^211462921013 is an apocalyptic number.

It is an amenable number.

211462921013 is a deficient number, since it is larger than the sum of its proper divisors (164053207).

211462921013 is a wasteful number, since it uses less digits than its factorization.

211462921013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164053206.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 211462921013 in words is "two hundred eleven billion, four hundred sixty-two million, nine hundred twenty-one thousand, thirteen".