2158900429 has 8 divisors (see below), whose sum is σ = 2467674560. Its totient is φ = 1850216256.

The previous prime is 2158900427. The next prime is 2158900439. The reversal of 2158900429 is 9240098512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2158900429 - 2¹ = 2158900427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2158900391 and 2158900400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2158900423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40837 + ... + 77365.

It is an arithmetic number, because the mean of its divisors is an integer number (308459320).

Almost surely, 2^2158900429 is an apocalyptic number.

It is an amenable number.

2158900429 is a deficient number, since it is larger than the sum of its proper divisors (308774131).

2158900429 is an equidigital number, since it uses as much as digits as its factorization.

2158900429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44979.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 2158900429 is about 46463.9691481475. The cubic root of 2158900429 is about 1292.4414292043.

The spelling of 2158900429 in words is "two billion, one hundred fifty-eight million, nine hundred thousand, four hundred twenty-nine".