109867903213 has 2 divisors, whose sum is σ = 109867903214. Its totient is φ = 109867903212.

The previous prime is 109867903169. The next prime is 109867903279. The reversal of 109867903213 is 312309768901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64141640644 + 45726262569 = 253262^2 + 213837^2 .

It is a cyclic number.

It is not a de Polignac number, because 109867903213 - 2¹⁷ = 109867772141 is a prime.

It is a super-2 number, since 2×109867903213² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109867913213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54933951606 + 54933951607.

It is an arithmetic number, because the mean of its divisors is an integer number (54933951607).

Almost surely, 2^109867903213 is an apocalyptic number.

It is an amenable number.

109867903213 is a deficient number, since it is larger than the sum of its proper divisors (1).

109867903213 is an equidigital number, since it uses as much as digits as its factorization.

109867903213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 109867903213 in words is "one hundred nine billion, eight hundred sixty-seven million, nine hundred three thousand, two hundred thirteen".