30408628747 has 32 divisors (see below), whose sum is σ = 36731566080. Its totient is φ = 24629754240.

The previous prime is 30408628727. The next prime is 30408628769. The reversal of 30408628747 is 74782680403.

It is not a de Polignac number, because 30408628747 - 2⁷ = 30408628619 is a prime.

It is a super-3 number, since 3×30408628747³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30408628747.

It is not an unprimeable number, because it can be changed into a prime (30408628727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1585129 + ... + 1604197.

It is an arithmetic number, because the mean of its divisors is an integer number (1147861440).

Almost surely, 2^30408628747 is an apocalyptic number.

30408628747 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

30408628747 is a deficient number, since it is larger than the sum of its proper divisors (6322937333).

30408628747 is a wasteful number, since it uses less digits than its factorization.

30408628747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19291.

The product of its (nonzero) digits is 1806336, while the sum is 49.

The spelling of 30408628747 in words is "thirty billion, four hundred eight million, six hundred twenty-eight thousand, seven hundred forty-seven".