1964653548 has 48 divisors (see below), whose sum is σ = 5385628416. Its totient is φ = 549552960.

The previous prime is 1964653543. The next prime is 1964653549. The reversal of 1964653548 is 8453564691.

It is a self number, because there is not a number n which added to its sum of digits gives 1964653548.

It is not an unprimeable number, because it can be changed into a prime (1964653541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 570736 + ... + 574167.

It is an arithmetic number, because the mean of its divisors is an integer number (112200592).

Almost surely, 2^1964653548 is an apocalyptic number.

It is an amenable number.

1964653548 is an abundant number, since it is smaller than the sum of its proper divisors (3420974868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1964653548 is a wasteful number, since it uses less digits than its factorization.

1964653548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144934 (or 1144932 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 51.

The square root of 1964653548 is about 44324.4125510987. The cubic root of 1964653548 is about 1252.4546003679.

The spelling of 1964653548 in words is "one billion, nine hundred sixty-four million, six hundred fifty-three thousand, five hundred forty-eight".