30738687891007 has 2 divisors, whose sum is σ = 30738687891008. Its totient is φ = 30738687891006.

The previous prime is 30738687891001. The next prime is 30738687891017. The reversal of 30738687891007 is 70019878683703.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30738687891007 - 2¹¹ = 30738687888959 is a prime.

It is a super-2 number, since 2×30738687891007² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30738687891001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15369343945503 + 15369343945504.

It is an arithmetic number, because the mean of its divisors is an integer number (15369343945504).

Almost surely, 2^{30738687891007} is an apocalyptic number.

30738687891007 is a deficient number, since it is larger than the sum of its proper divisors (1).

30738687891007 is an equidigital number, since it uses as much as digits as its factorization.

30738687891007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85349376, while the sum is 67.

The spelling of 30738687891007 in words is "thirty trillion, seven hundred thirty-eight billion, six hundred eighty-seven million, eight hundred ninety-one thousand, seven".