30927769242997 has 4 divisors (see below), whose sum is σ = 33739384628736. Its totient is φ = 28116153857260.

The previous prime is 30927769242899. The next prime is 30927769243013. The reversal of 30927769242997 is 79924296772903.

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 a de Polignac number, because none of the positive numbers 2^k-30927769242997 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 (30927769240997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1405807692853 + ... + 1405807692874.

It is an arithmetic number, because the mean of its divisors is an integer number (8434846157184).

Almost surely, 2^{30927769242997} is an apocalyptic number.

It is an amenable number.

30927769242997 is a deficient number, since it is larger than the sum of its proper divisors (2811615385739).

30927769242997 is a wasteful number, since it uses less digits than its factorization.

30927769242997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811615385738.

The product of its (nonzero) digits is 1296243648, while the sum is 76.

The spelling of 30927769242997 in words is "thirty trillion, nine hundred twenty-seven billion, seven hundred sixty-nine million, two hundred forty-two thousand, nine hundred ninety-seven".