108730649 has 2 divisors, whose sum is σ = 108730650. Its totient is φ = 108730648.

The previous prime is 108730639. The next prime is 108730651. The reversal of 108730649 is 946037801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106234249 + 2496400 = 10307^2 + 1580^2 .

It is a cyclic number.

It is not a de Polignac number, because 108730649 - 2¹⁶ = 108665113 is a prime.

It is a super-2 number, since 2×108730649² = 23644708063922402, which contains 22 as substring.

Together with 108730651, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (108730639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54365324 + 54365325.

It is an arithmetic number, because the mean of its divisors is an integer number (54365325).

Almost surely, 2^108730649 is an apocalyptic number.

It is an amenable number.

108730649 is a deficient number, since it is larger than the sum of its proper divisors (1).

108730649 is an equidigital number, since it uses as much as digits as its factorization.

108730649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 108730649 is about 10427.3989565951. The cubic root of 108730649 is about 477.2918223037.

The spelling of 108730649 in words is "one hundred eight million, seven hundred thirty thousand, six hundred forty-nine".