2921425408 has 160 divisors (see below), whose sum is σ = 7000266240. Its totient is φ = 1202319360.

The previous prime is 2921425393. The next prime is 2921425447. The reversal of 2921425408 is 8045241292.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2460591 + ... + 2461777.

It is an arithmetic number, because the mean of its divisors is an integer number (43751664).

Almost surely, 2^2921425408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2921425408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3500133120).

2921425408 is an abundant number, since it is smaller than the sum of its proper divisors (4078840832).

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

2921425408 is a wasteful number, since it uses less digits than its factorization.

2921425408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258 (or 1242 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 2921425408 is about 54050.2119144782. The cubic root of 2921425408 is about 1429.5464367542.

The spelling of 2921425408 in words is "two billion, nine hundred twenty-one million, four hundred twenty-five thousand, four hundred eight".