30790347836357 has 4 divisors (see below), whose sum is σ = 30790643339820. Its totient is φ = 30790052332896.

The previous prime is 30790347836273. The next prime is 30790347836359. The reversal of 30790347836357 is 75363874309703.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27074112351841 + 3716235484516 = 5203279^2 + 1927754^2 .

It is a cyclic number.

It is not a de Polignac number, because 30790347836357 - 2¹⁰ = 30790347835333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30790347836293 and 30790347836302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30790347836359) 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, 147595382 + ... + 147803847.

It is an arithmetic number, because the mean of its divisors is an integer number (7697660834955).

Almost surely, 2^{30790347836357} is an apocalyptic number.

It is an amenable number.

30790347836357 is a deficient number, since it is larger than the sum of its proper divisors (295503463).

30790347836357 is a wasteful number, since it uses less digits than its factorization.

30790347836357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295503462.

The product of its (nonzero) digits is 240045120, while the sum is 65.

The spelling of 30790347836357 in words is "thirty trillion, seven hundred ninety billion, three hundred forty-seven million, eight hundred thirty-six thousand, three hundred fifty-seven".