1964045311 has 2 divisors, whose sum is σ = 1964045312. Its totient is φ = 1964045310.

The previous prime is 1964045287. The next prime is 1964045341. The reversal of 1964045311 is 1135404691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1964045311 - 2¹⁵ = 1964012543 is a prime.

It is a super-2 number, since 2×1964045311² = 7714947967322173442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1964045341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 982022655 + 982022656.

It is an arithmetic number, because the mean of its divisors is an integer number (982022656).

Almost surely, 2^1964045311 is an apocalyptic number.

1964045311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1964045311 is an equidigital number, since it uses as much as digits as its factorization.

1964045311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 1964045311 is about 44317.5508235733. The cubic root of 1964045311 is about 1252.3253379072.

The spelling of 1964045311 in words is "one billion, nine hundred sixty-four million, forty-five thousand, three hundred eleven".