1964004079 has 2 divisors, whose sum is σ = 1964004080. Its totient is φ = 1964004078.

The previous prime is 1964004041. The next prime is 1964004121. The reversal of 1964004079 is 9704004691.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1964004079 - 2¹¹ = 1964002031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1964004379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 982002039 + 982002040.

It is an arithmetic number, because the mean of its divisors is an integer number (982002040).

Almost surely, 2^1964004079 is an apocalyptic number.

1964004079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1964004079 is an equidigital number, since it uses as much as digits as its factorization.

1964004079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 1964004079 is about 44317.0856329700. The cubic root of 1964004079 is about 1252.3165743213.

The spelling of 1964004079 in words is "one billion, nine hundred sixty-four million, four thousand, seventy-nine".