1964098379 has 2 divisors, whose sum is σ = 1964098380. Its totient is φ = 1964098378.

The previous prime is 1964098351. The next prime is 1964098387. The reversal of 1964098379 is 9738904691.

It is a strong prime.

It is an emirp because it is prime and its reverse (9738904691) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1964098379 is a prime.

It is not a weakly prime, because it can be changed into another prime (1964098309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 982049189 + 982049190.

It is an arithmetic number, because the mean of its divisors is an integer number (982049190).

Almost surely, 2^1964098379 is an apocalyptic number.

1964098379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1964098379 is an equidigital number, since it uses as much as digits as its factorization.

1964098379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The square root of 1964098379 is about 44318.1495439510. The cubic root of 1964098379 is about 1252.3366169753.

The spelling of 1964098379 in words is "one billion, nine hundred sixty-four million, ninety-eight thousand, three hundred seventy-nine".