30069957389 has 2 divisors, whose sum is σ = 30069957390. Its totient is φ = 30069957388.

The previous prime is 30069957383. The next prime is 30069957433. The reversal of 30069957389 is 98375996003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29260839364 + 809118025 = 171058^2 + 28445^2 .

It is a cyclic number.

It is not a de Polignac number, because 30069957389 - 2¹² = 30069953293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30069957383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15034978694 + 15034978695.

It is an arithmetic number, because the mean of its divisors is an integer number (15034978695).

Almost surely, 2^30069957389 is an apocalyptic number.

It is an amenable number.

30069957389 is a deficient number, since it is larger than the sum of its proper divisors (1).

30069957389 is an equidigital number, since it uses as much as digits as its factorization.

30069957389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11022480, while the sum is 59.

The spelling of 30069957389 in words is "thirty billion, sixty-nine million, nine hundred fifty-seven thousand, three hundred eighty-nine".