211172749043 has 2 divisors, whose sum is σ = 211172749044. Its totient is φ = 211172749042.

The previous prime is 211172749037. The next prime is 211172749063. The reversal of 211172749043 is 340947271112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211172749043 - 2¹⁶ = 211172683507 is a prime.

It is not a weakly prime, because it can be changed into another prime (211172749063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105586374521 + 105586374522.

It is an arithmetic number, because the mean of its divisors is an integer number (105586374522).

Almost surely, 2^211172749043 is an apocalyptic number.

211172749043 is a deficient number, since it is larger than the sum of its proper divisors (1).

211172749043 is an equidigital number, since it uses as much as digits as its factorization.

211172749043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 211172749043 in words is "two hundred eleven billion, one hundred seventy-two million, seven hundred forty-nine thousand, forty-three".