30840451509 has 8 divisors (see below), whose sum is σ = 46994973760. Its totient is φ = 17623115136.

The previous prime is 30840451507. The next prime is 30840451513. The reversal of 30840451509 is 90515404803.

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

It is not a de Polignac number, because 30840451509 - 2¹ = 30840451507 is a prime.

It is a super-2 number, since 2×30840451509² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30840451501) 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, 734296444 + ... + 734296485.

It is an arithmetic number, because the mean of its divisors is an integer number (5874371720).

Almost surely, 2^30840451509 is an apocalyptic number.

It is an amenable number.

30840451509 is a deficient number, since it is larger than the sum of its proper divisors (16154522251).

30840451509 is a wasteful number, since it uses less digits than its factorization.

30840451509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468592939.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 30840451509 in words is "thirty billion, eight hundred forty million, four hundred fifty-one thousand, five hundred nine".