2921254655 has 16 divisors (see below), whose sum is σ = 4025462400. Its totient is φ = 2012729760.

The previous prime is 2921254649. The next prime is 2921254703. The reversal of 2921254655 is 5564521292.

It is not a de Polignac number, because 2921254655 - 2⁴ = 2921254639 is a prime.

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, 1396685 + ... + 1398774.

It is an arithmetic number, because the mean of its divisors is an integer number (251591400).

Almost surely, 2^2921254655 is an apocalyptic number.

2921254655 is a deficient number, since it is larger than the sum of its proper divisors (1104207745).

2921254655 is a wasteful number, since it uses less digits than its factorization.

2921254655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795494.

The product of its digits is 216000, while the sum is 41.

The square root of 2921254655 is about 54048.6323138708. The cubic root of 2921254655 is about 1429.5185845857.

The spelling of 2921254655 in words is "two billion, nine hundred twenty-one million, two hundred fifty-four thousand, six hundred fifty-five".