1897046525952 has 72 divisors (see below), whose sum is σ = 5479018706070. Its totient is φ = 632348835840.

The previous prime is 1897046525947. The next prime is 1897046525977. The reversal of 1897046525952 is 2595256407981.

1897046525952 is a `hidden beast` number, since 1 + 8 + 9 + 70 + 465 + 2 + 59 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1008144516096 + 888902009856 = 1004064^2 + 942816^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 1897046525952.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51442249 + ... + 51479112.

Almost surely, 2^{1897046525952} is an apocalyptic number.

1897046525952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1897046525952 is an abundant number, since it is smaller than the sum of its proper divisors (3581972180118).

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

1897046525952 is a wasteful number, since it uses less digits than its factorization.

1897046525952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102921389 (or 102921366 counting only the distinct ones).

The product of its (nonzero) digits is 54432000, while the sum is 63.

The spelling of 1897046525952 in words is "one trillion, eight hundred ninety-seven billion, forty-six million, five hundred twenty-five thousand, nine hundred fifty-two".