1953684764 has 12 divisors (see below), whose sum is σ = 3440726184. Its totient is φ = 970620144.

The previous prime is 1953684763. The next prime is 1953684769. The reversal of 1953684764 is 4674863591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1953684763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1554854 + ... + 1556109.

It is an arithmetic number, because the mean of its divisors is an integer number (286727182).

Almost surely, 2^1953684764 is an apocalyptic number.

It is an amenable number.

1953684764 is a deficient number, since it is larger than the sum of its proper divisors (1487041420).

1953684764 is a wasteful number, since it uses less digits than its factorization.

1953684764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111124 (or 3111122 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 53.

The square root of 1953684764 is about 44200.5063771898. The cubic root of 1953684764 is about 1250.1194049136.

The spelling of 1953684764 in words is "one billion, nine hundred fifty-three million, six hundred eighty-four thousand, seven hundred sixty-four".