30046636973 has 4 divisors (see below), whose sum is σ = 30095653308. Its totient is φ = 29997620640.

The previous prime is 30046636951. The next prime is 30046636979. The reversal of 30046636973 is 37963664003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37963664003 = 71 ⋅534699493.

It can be written as a sum of positive squares in 2 ways, for example, as 182304004 + 29864332969 = 13502^2 + 172813^2 .

It is a cyclic number.

It is not a de Polignac number, because 30046636973 - 2²⁴ = 30029859757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30046636979) 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, 24507248 + ... + 24508473.

It is an arithmetic number, because the mean of its divisors is an integer number (7523913327).

Almost surely, 2^30046636973 is an apocalyptic number.

It is an amenable number.

30046636973 is a deficient number, since it is larger than the sum of its proper divisors (49016335).

30046636973 is an equidigital number, since it uses as much as digits as its factorization.

30046636973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49016334.

The product of its (nonzero) digits is 1469664, while the sum is 47.

The spelling of 30046636973 in words is "thirty billion, forty-six million, six hundred thirty-six thousand, nine hundred seventy-three".