2921268678 has 32 divisors (see below), whose sum is σ = 6199234560. Its totient is φ = 914547840.

The previous prime is 2921268653. The next prime is 2921268689. The reversal of 2921268678 is 8768621292.

2921268678 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 2921268678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18963 + ... + 78753.

It is an arithmetic number, because the mean of its divisors is an integer number (193726080).

Almost surely, 2^2921268678 is an apocalyptic number.

2921268678 is an abundant number, since it is smaller than the sum of its proper divisors (3277965882).

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

2921268678 is a wasteful number, since it uses less digits than its factorization.

2921268678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60292.

The product of its digits is 1161216, while the sum is 51.

The square root of 2921268678 is about 54048.7620394769. The cubic root of 2921268678 is about 1429.5208719712.

The spelling of 2921268678 in words is "two billion, nine hundred twenty-one million, two hundred sixty-eight thousand, six hundred seventy-eight".