109367820449 has 2 divisors, whose sum is σ = 109367820450. Its totient is φ = 109367820448.

The previous prime is 109367820343. The next prime is 109367820469. The reversal of 109367820449 is 944028763901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101119548049 + 8248272400 = 317993^2 + 90820^2 .

It is a cyclic number.

It is not a de Polignac number, because 109367820449 - 2¹² = 109367816353 is a prime.

It is a super-2 number, since 2×109367820449² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 109367820449.

It is not a weakly prime, because it can be changed into another prime (109367820469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54683910224 + 54683910225.

It is an arithmetic number, because the mean of its divisors is an integer number (54683910225).

Almost surely, 2^109367820449 is an apocalyptic number.

It is an amenable number.

109367820449 is a deficient number, since it is larger than the sum of its proper divisors (1).

109367820449 is an equidigital number, since it uses as much as digits as its factorization.

109367820449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 109367820449 in words is "one hundred nine billion, three hundred sixty-seven million, eight hundred twenty thousand, four hundred forty-nine".