30385663748 has 36 divisors (see below), whose sum is σ = 59692085376. Its totient is φ = 13517790000.

The previous prime is 30385663739. The next prime is 30385663751. The reversal of 30385663748 is 84736658303.

It is a super-2 number, since 2×30385663748² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30385663748.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 645128 + ... + 690623.

Almost surely, 2^30385663748 is an apocalyptic number.

It is an amenable number.

30385663748 is a deficient number, since it is larger than the sum of its proper divisors (29306421628).

30385663748 is a wasteful number, since it uses less digits than its factorization.

30385663748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335824 (or 1335811 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 30385663748 in words is "thirty billion, three hundred eighty-five million, six hundred sixty-three thousand, seven hundred forty-eight".