1964541811 has 8 divisors (see below), whose sum is σ = 2081737584. Its totient is φ = 1847527680.

The previous prime is 1964541793. The next prime is 1964541833. The reversal of 1964541811 is 1181454691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1964541811 - 2¹⁷ = 1964410739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1964541851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22810 + ... + 66703.

It is an arithmetic number, because the mean of its divisors is an integer number (260217198).

Almost surely, 2^1964541811 is an apocalyptic number.

1964541811 is a deficient number, since it is larger than the sum of its proper divisors (117195773).

1964541811 is a wasteful number, since it uses less digits than its factorization.

1964541811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90821.

The product of its digits is 34560, while the sum is 40.

The square root of 1964541811 is about 44323.1520878197. The cubic root of 1964541811 is about 1252.4308560335.

The spelling of 1964541811 in words is "one billion, nine hundred sixty-four million, five hundred forty-one thousand, eight hundred eleven".