109479731 has 2 divisors, whose sum is σ = 109479732. Its totient is φ = 109479730.

The previous prime is 109479719. The next prime is 109479737. The reversal of 109479731 is 137974901.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109479731 is a prime.

It is a super-2 number, since 2×109479731² = 23971622999664722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (109479737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54739865 + 54739866.

It is an arithmetic number, because the mean of its divisors is an integer number (54739866).

Almost surely, 2^109479731 is an apocalyptic number.

109479731 is a deficient number, since it is larger than the sum of its proper divisors (1).

109479731 is an equidigital number, since it uses as much as digits as its factorization.

109479731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 109479731 is about 10463.2562331236. The cubic root of 109479731 is about 478.3853894334.

The spelling of 109479731 in words is "one hundred nine million, four hundred seventy-nine thousand, seven hundred thirty-one".