109549301977 has 2 divisors, whose sum is σ = 109549301978. Its totient is φ = 109549301976.

The previous prime is 109549301969. The next prime is 109549301989. The reversal of 109549301977 is 779103945901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104003670016 + 5545631961 = 322496^2 + 74469^2 .

It is a cyclic number.

It is not a de Polignac number, because 109549301977 - 2³ = 109549301969 is a prime.

It is a super-2 number, since 2×109549301977² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (109549301957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54774650988 + 54774650989.

It is an arithmetic number, because the mean of its divisors is an integer number (54774650989).

Almost surely, 2^109549301977 is an apocalyptic number.

It is an amenable number.

109549301977 is a deficient number, since it is larger than the sum of its proper divisors (1).

109549301977 is an equidigital number, since it uses as much as digits as its factorization.

109549301977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2143260, while the sum is 55.

The spelling of 109549301977 in words is "one hundred nine billion, five hundred forty-nine million, three hundred one thousand, nine hundred seventy-seven".