109494731 has 2 divisors, whose sum is σ = 109494732. Its totient is φ = 109494730.

The previous prime is 109494659. The next prime is 109494769. The reversal of 109494731 is 137494901.

It is an a-pointer prime, because the next prime (109494769) can be obtained adding 109494731 to its sum of digits (38).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109494731 - 2¹⁸ = 109232587 is a prime.

It is a super-2 number, since 2×109494731² = 23978192233524722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (109494031) 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, 54747365 + 54747366.

It is an arithmetic number, because the mean of its divisors is an integer number (54747366).

Almost surely, 2^109494731 is an apocalyptic number.

109494731 is a deficient number, since it is larger than the sum of its proper divisors (1).

109494731 is an equidigital number, since it uses as much as digits as its factorization.

109494731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 109494731 is about 10463.9730026410. The cubic root of 109494731 is about 478.4072365615.

The spelling of 109494731 in words is "one hundred nine million, four hundred ninety-four thousand, seven hundred thirty-one".