30146470639 has 8 divisors (see below), whose sum is σ = 30242278800. Its totient is φ = 30050714496.

The previous prime is 30146470633. The next prime is 30146470663. The reversal of 30146470639 is 93607464103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30146470639 - 2⁹ = 30146470127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30146470595 and 30146470604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30146470633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1381687 + ... + 1403335.

It is an arithmetic number, because the mean of its divisors is an integer number (3780284850).

Almost surely, 2^30146470639 is an apocalyptic number.

30146470639 is a deficient number, since it is larger than the sum of its proper divisors (95808161).

30146470639 is a wasteful number, since it uses less digits than its factorization.

30146470639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26009.

The product of its (nonzero) digits is 326592, while the sum is 43.

The spelling of 30146470639 in words is "thirty billion, one hundred forty-six million, four hundred seventy thousand, six hundred thirty-nine".