30314491639 has 2 divisors, whose sum is σ = 30314491640. Its totient is φ = 30314491638.

The previous prime is 30314491631. The next prime is 30314491687. The reversal of 30314491639 is 93619441303.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30314491639 - 2³ = 30314491631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30314491595 and 30314491604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30314491631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15157245819 + 15157245820.

It is an arithmetic number, because the mean of its divisors is an integer number (15157245820).

Almost surely, 2^30314491639 is an apocalyptic number.

30314491639 is a deficient number, since it is larger than the sum of its proper divisors (1).

30314491639 is an equidigital number, since it uses as much as digits as its factorization.

30314491639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 43.

The spelling of 30314491639 in words is "thirty billion, three hundred fourteen million, four hundred ninety-one thousand, six hundred thirty-nine".