2858955421 has 16 divisors (see below), whose sum is σ = 3346470400. Its totient is φ = 2441411280.

The previous prime is 2858955413. The next prime is 2858955431. The reversal of 2858955421 is 1245598582.

It is not a de Polignac number, because 2858955421 - 2³ = 2858955413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2858955431) 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, 77575 + ... + 108331.

It is an arithmetic number, because the mean of its divisors is an integer number (209154400).

Almost surely, 2^2858955421 is an apocalyptic number.

It is an amenable number.

2858955421 is a deficient number, since it is larger than the sum of its proper divisors (487514979).

2858955421 is an equidigital number, since it uses as much as digits as its factorization.

2858955421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31049 (or 31035 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 49.

The square root of 2858955421 is about 53469.2006766512. The cubic root of 2858955421 is about 1419.2834149777.

The spelling of 2858955421 in words is "two billion, eight hundred fifty-eight million, nine hundred fifty-five thousand, four hundred twenty-one".