30072673951 has 2 divisors, whose sum is σ = 30072673952. Its totient is φ = 30072673950.

The previous prime is 30072673937. The next prime is 30072673987. The reversal of 30072673951 is 15937627003.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (15937627003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30072673951 - 2³¹ = 27925190303 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30072673898 and 30072673907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30072673921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15036336975 + 15036336976.

It is an arithmetic number, because the mean of its divisors is an integer number (15036336976).

Almost surely, 2^30072673951 is an apocalyptic number.

30072673951 is a deficient number, since it is larger than the sum of its proper divisors (1).

30072673951 is an equidigital number, since it uses as much as digits as its factorization.

30072673951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 238140, while the sum is 43.

The spelling of 30072673951 in words is "thirty billion, seventy-two million, six hundred seventy-three thousand, nine hundred fifty-one".