30368915357 has 4 divisors (see below), whose sum is σ = 33129725856. Its totient is φ = 27608104860.

The previous prime is 30368915351. The next prime is 30368915383. The reversal of 30368915357 is 75351986303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30368915357 - 2⁶ = 30368915293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30368915351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1380405233 + ... + 1380405254.

It is an arithmetic number, because the mean of its divisors is an integer number (8282431464).

Almost surely, 2^30368915357 is an apocalyptic number.

It is an amenable number.

30368915357 is a deficient number, since it is larger than the sum of its proper divisors (2760810499).

30368915357 is a wasteful number, since it uses less digits than its factorization.

30368915357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760810498.

The product of its (nonzero) digits is 2041200, while the sum is 50.

The spelling of 30368915357 in words is "thirty billion, three hundred sixty-eight million, nine hundred fifteen thousand, three hundred fifty-seven".