30157507627813 has 2 divisors, whose sum is σ = 30157507627814. Its totient is φ = 30157507627812.

The previous prime is 30157507627801. The next prime is 30157507627829. The reversal of 30157507627813 is 31872670575103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21262040322084 + 8895467305729 = 4611078^2 + 2982527^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30157507627813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30157507607813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15078753813906 + 15078753813907.

It is an arithmetic number, because the mean of its divisors is an integer number (15078753813907).

Almost surely, 2^{30157507627813} is an apocalyptic number.

It is an amenable number.

30157507627813 is a deficient number, since it is larger than the sum of its proper divisors (1).

30157507627813 is an equidigital number, since it uses as much as digits as its factorization.

30157507627813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7408800, while the sum is 55.

The spelling of 30157507627813 in words is "thirty trillion, one hundred fifty-seven billion, five hundred seven million, six hundred twenty-seven thousand, eight hundred thirteen".