203953485952 has 16 divisors (see below), whose sum is σ = 406313585550. Its totient is φ = 101976742912.

The previous prime is 203953485913. The next prime is 203953485973. The reversal of 203953485952 is 259584359302.

It can be written as a sum of positive squares in only one way, i.e., 150066363456 + 53887122496 = 387384^2 + 232136^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×203953485952² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203953485893 and 203953485902.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 796693177 + ... + 796693432.

Almost surely, 2^203953485952 is an apocalyptic number.

It is an amenable number.

203953485952 is a deficient number, since it is larger than the sum of its proper divisors (202360099598).

203953485952 is an equidigital number, since it uses as much as digits as its factorization.

203953485952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593386623 (or 1593386611 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 55.

The spelling of 203953485952 in words is "two hundred three billion, nine hundred fifty-three million, four hundred eighty-five thousand, nine hundred fifty-two".