1953360972 has 18 divisors (see below), whose sum is σ = 4937662548. Its totient is φ = 651120312.

The previous prime is 1953360961. The next prime is 1953360989. The reversal of 1953360972 is 2790633591.

1953360972 is a `hidden beast` number, since 1 + 9 + 5 + 33 + 609 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 27129978 + ... + 27130049.

It is an arithmetic number, because the mean of its divisors is an integer number (274314586).

Almost surely, 2^1953360972 is an apocalyptic number.

1953360972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1953360972 is an abundant number, since it is smaller than the sum of its proper divisors (2984301576).

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

1953360972 is a wasteful number, since it uses less digits than its factorization.

1953360972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54260037 (or 54260032 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 45.

The square root of 1953360972 is about 44196.8434619487. The cubic root of 1953360972 is about 1250.0503386661.

The spelling of 1953360972 in words is "one billion, nine hundred fifty-three million, three hundred sixty thousand, nine hundred seventy-two".