1653803505050 has 48 divisors (see below), whose sum is σ = 3092371809912. Its totient is φ = 658018099200.

The previous prime is 1653803505031. The next prime is 1653803505071. The reversal of 1653803505050 is 505053083561.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 368217162481 + 1285586342569 = 606809^2 + 1133837^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1653803504989 and 1653803505007.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52001954 + ... + 52033746.

Almost surely, 2^{1653803505050} is an apocalyptic number.

1653803505050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1653803505050 is a deficient number, since it is larger than the sum of its proper divisors (1438568304862).

1653803505050 is a wasteful number, since it uses less digits than its factorization.

1653803505050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37283 (or 37278 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 1653803505050 in words is "one trillion, six hundred fifty-three billion, eight hundred three million, five hundred five thousand, fifty".