1964240111 has 2 divisors, whose sum is σ = 1964240112. Its totient is φ = 1964240110.

The previous prime is 1964240107. The next prime is 1964240119. The reversal of 1964240111 is 1110424691.

It is a weak prime.

It is an emirp because it is prime and its reverse (1110424691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1964240111 - 2² = 1964240107 is a prime.

It is a super-2 number, since 2×1964240111² = 7716478427322584642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1964240119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 982120055 + 982120056.

It is an arithmetic number, because the mean of its divisors is an integer number (982120056).

Almost surely, 2^1964240111 is an apocalyptic number.

1964240111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1964240111 is an equidigital number, since it uses as much as digits as its factorization.

1964240111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1964240111 is about 44319.7485439618. The cubic root of 1964240111 is about 1252.3667396864.

The spelling of 1964240111 in words is "one billion, nine hundred sixty-four million, two hundred forty thousand, one hundred eleven".