30190553236 has 6 divisors (see below), whose sum is σ = 52833468170. Its totient is φ = 15095276616.

The previous prime is 30190553191. The next prime is 30190553251. The reversal of 30190553236 is 63235509103.

It can be written as a sum of positive squares in only one way, i.e., 22419072900 + 7771480336 = 149730^2 + 88156^2 .

It is a super-2 number, since 2×30190553236² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30190553195 and 30190553204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3773819151 + ... + 3773819158.

Almost surely, 2^30190553236 is an apocalyptic number.

It is an amenable number.

30190553236 is a deficient number, since it is larger than the sum of its proper divisors (22642914934).

30190553236 is a wasteful number, since it uses less digits than its factorization.

30190553236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7547638313 (or 7547638311 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 37.

The spelling of 30190553236 in words is "thirty billion, one hundred ninety million, five hundred fifty-three thousand, two hundred thirty-six".