211010497913 has 2 divisors, whose sum is σ = 211010497914. Its totient is φ = 211010497912.

The previous prime is 211010497891. The next prime is 211010497921. The reversal of 211010497913 is 319794010112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204365476624 + 6645021289 = 452068^2 + 81517^2 .

It is a cyclic number.

It is not a de Polignac number, because 211010497913 - 2¹² = 211010493817 is a prime.

It is not a weakly prime, because it can be changed into another prime (211010497993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105505248956 + 105505248957.

It is an arithmetic number, because the mean of its divisors is an integer number (105505248957).

Almost surely, 2^211010497913 is an apocalyptic number.

It is an amenable number.

211010497913 is a deficient number, since it is larger than the sum of its proper divisors (1).

211010497913 is an equidigital number, since it uses as much as digits as its factorization.

211010497913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 38.

The spelling of 211010497913 in words is "two hundred eleven billion, ten million, four hundred ninety-seven thousand, nine hundred thirteen".