1953749032 has 64 divisors (see below), whose sum is σ = 3832012800. Its totient is φ = 933132480.

The previous prime is 1953749029. The next prime is 1953749047. The reversal of 1953749032 is 2309473591.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 1953749032.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4078569 + ... + 4079047.

It is an arithmetic number, because the mean of its divisors is an integer number (59875200).

Almost surely, 2^1953749032 is an apocalyptic number.

It is an amenable number.

1953749032 is a deficient number, since it is larger than the sum of its proper divisors (1878263768).

1953749032 is a wasteful number, since it uses less digits than its factorization.

1953749032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 1953749032 is about 44201.2333764568. The cubic root of 1953749032 is about 1250.1331126510.

The spelling of 1953749032 in words is "one billion, nine hundred fifty-three million, seven hundred forty-nine thousand, thirty-two".