2930921297920 has 768 divisors, whose sum is σ = 9528474009600. Its totient is φ = 837402624000.

The previous prime is 2930921297867. The next prime is 2930921297959. The reversal of 2930921297920 is 297921290392.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 464411565 + ... + 464417875.

It is an arithmetic number, because the mean of its divisors is an integer number (12406867200).

Almost surely, 2^{2930921297920} is an apocalyptic number.

2930921297920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2930921297920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4764237004800).

2930921297920 is an abundant number, since it is smaller than the sum of its proper divisors (6597552711680).

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

2930921297920 is a wasteful number, since it uses less digits than its factorization.

2930921297920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6406 (or 6386 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 55.

The spelling of 2930921297920 in words is "two trillion, nine hundred thirty billion, nine hundred twenty-one million, two hundred ninety-seven thousand, nine hundred twenty".