1964541898 has 16 divisors (see below), whose sum is σ = 3383900640. Its totient is φ = 845974800.

The previous prime is 1964541871. The next prime is 1964541911. The reversal of 1964541898 is 8981454691.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2349513 + ... + 2350348.

It is an arithmetic number, because the mean of its divisors is an integer number (211493790).

Almost surely, 2^1964541898 is an apocalyptic number.

1964541898 is a deficient number, since it is larger than the sum of its proper divisors (1419358742).

1964541898 is a wasteful number, since it uses less digits than its factorization.

1964541898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4699893.

The product of its digits is 2488320, while the sum is 55.

The square root of 1964541898 is about 44323.1530692481. The cubic root of 1964541898 is about 1252.4308745215.

The spelling of 1964541898 in words is "one billion, nine hundred sixty-four million, five hundred forty-one thousand, eight hundred ninety-eight".