30406071649 has 8 divisors (see below), whose sum is σ = 30683473920. Its totient is φ = 30129263136.

The previous prime is 30406071613. The next prime is 30406071719. The reversal of 30406071649 is 94617060403.

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 30406071649 - 2¹¹ = 30406069601 is a prime.

It is a super-3 number, since 3×30406071649³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30406071149) 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, 45229 + ... + 250714.

It is an arithmetic number, because the mean of its divisors is an integer number (3835434240).

Almost surely, 2^30406071649 is an apocalyptic number.

It is an amenable number.

30406071649 is a deficient number, since it is larger than the sum of its proper divisors (277402271).

30406071649 is a wasteful number, since it uses less digits than its factorization.

30406071649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296879.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 30406071649 in words is "thirty billion, four hundred six million, seventy-one thousand, six hundred forty-nine".