2921898427 has 16 divisors (see below), whose sum is σ = 3407173632. Its totient is φ = 2453724000.

The previous prime is 2921898407. The next prime is 2921898431. The reversal of 2921898427 is 7248981292.

It is a happy number.

2921898427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2921898427 - 2¹⁵ = 2921865659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2921898407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273378 + ... + 283864.

It is an arithmetic number, because the mean of its divisors is an integer number (212948352).

Almost surely, 2^2921898427 is an apocalyptic number.

2921898427 is a deficient number, since it is larger than the sum of its proper divisors (485275205).

2921898427 is a wasteful number, since it uses less digits than its factorization.

2921898427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11298.

The product of its digits is 1161216, while the sum is 52.

The square root of 2921898427 is about 54054.5874741451. The cubic root of 2921898427 is about 1429.6235870079.

The spelling of 2921898427 in words is "two billion, nine hundred twenty-one million, eight hundred ninety-eight thousand, four hundred twenty-seven".