1953109636 has 27 divisors (see below), whose sum is σ = 3610405911. Its totient is φ = 924361704.

The previous prime is 1953109601. The next prime is 1953109657. The reversal of 1953109636 is 6369013591.

The square root of 1953109636 is 44194.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1953109592 and 1953109601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1678791 + ... + 1679953.

Almost surely, 2^1953109636 is an apocalyptic number.

1953109636 is the 44194-th square number.

It is an amenable number.

1953109636 is a deficient number, since it is larger than the sum of its proper divisors (1657296275).

1953109636 is an equidigital number, since it uses as much as digits as its factorization.

1953109636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368 (or 1184 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 43.

The cubic root of 1953109636 is about 1249.9967223381.

The spelling of 1953109636 in words is "one billion, nine hundred fifty-three million, one hundred nine thousand, six hundred thirty-six".