971949270211 has 16 divisors (see below), whose sum is σ = 1043803101888. Its totient is φ = 901731174400.

The previous prime is 971949270209. The next prime is 971949270217. The reversal of 971949270211 is 112072949179.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 971949270211 - 2¹ = 971949270209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (971949270217) 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, 7005531 + ... + 7142923.

It is an arithmetic number, because the mean of its divisors is an integer number (65237693868).

Almost surely, 2^971949270211 is an apocalyptic number.

971949270211 is a deficient number, since it is larger than the sum of its proper divisors (71853831677).

971949270211 is a wasteful number, since it uses less digits than its factorization.

971949270211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143342.

The product of its (nonzero) digits is 571536, while the sum is 52.

The spelling of 971949270211 in words is "nine hundred seventy-one billion, nine hundred forty-nine million, two hundred seventy thousand, two hundred eleven".