1953323696 has 20 divisors (see below), whose sum is σ = 3792287784. Its totient is φ = 974668800.

The previous prime is 1953323611. The next prime is 1953323699. The reversal of 1953323696 is 6963233591.

It is a happy number.

It is a super-2 number, since 2×1953323696² = 7630946922710200832, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1953323696.

It is not an unprimeable number, because it can be changed into a prime (1953323699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116465 + ... + 132176.

Almost surely, 2^1953323696 is an apocalyptic number.

1953323696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1953323696 is a deficient number, since it is larger than the sum of its proper divisors (1838964088).

1953323696 is a wasteful number, since it uses less digits than its factorization.

1953323696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249140 (or 249134 counting only the distinct ones).

The product of its digits is 787320, while the sum is 47.

The square root of 1953323696 is about 44196.4217556128. The cubic root of 1953323696 is about 1250.0423870427.

The spelling of 1953323696 in words is "one billion, nine hundred fifty-three million, three hundred twenty-three thousand, six hundred ninety-six".