749989111 has 2 divisors, whose sum is σ = 749989112. Its totient is φ = 749989110.

The previous prime is 749989103. The next prime is 749989139. The reversal of 749989111 is 111989947.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 749989111 - 2³ = 749989103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749989171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374994555 + 374994556.

It is an arithmetic number, because the mean of its divisors is an integer number (374994556).

Almost surely, 2^749989111 is an apocalyptic number.

749989111 is a deficient number, since it is larger than the sum of its proper divisors (1).

749989111 is an equidigital number, since it uses as much as digits as its factorization.

749989111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 49.

The square root of 749989111 is about 27385.9290695057. The cubic root of 749989111 is about 908.5558993668. Note that the first 3 decimals are identical.

The spelling of 749989111 in words is "seven hundred forty-nine million, nine hundred eighty-nine thousand, one hundred eleven".