30921342654 has 8 divisors (see below), whose sum is σ = 61842685320. Its totient is φ = 10307114216.

The previous prime is 30921342637. The next prime is 30921342667. The reversal of 30921342654 is 45624312903.

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

30921342654 is an admirable number.

It is a super-2 number, since 2×30921342654² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2576778549 + ... + 2576778560.

It is an arithmetic number, because the mean of its divisors is an integer number (7730335665).

Almost surely, 2^30921342654 is an apocalyptic number.

30921342654 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30921342654 is a wasteful number, since it uses less digits than its factorization.

30921342654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5153557114.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 30921342654 in words is "thirty billion, nine hundred twenty-one million, three hundred forty-two thousand, six hundred fifty-four".