2153429830 has 16 divisors (see below), whose sum is σ = 3876885504. Its totient is φ = 861213760.

The previous prime is 2153429827. The next prime is 2153429843. The reversal of 2153429830 is 389243512.

It is a self number, because there is not a number n which added to its sum of digits gives 2153429830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48699 + ... + 81721.

It is an arithmetic number, because the mean of its divisors is an integer number (242305344).

Almost surely, 2^2153429830 is an apocalyptic number.

2153429830 is a deficient number, since it is larger than the sum of its proper divisors (1723455674).

2153429830 is a wasteful number, since it uses less digits than its factorization.

2153429830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39551.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 2153429830 is about 46405.0625470972. The cubic root of 2153429830 is about 1291.3488345339.

The spelling of 2153429830 in words is "two billion, one hundred fifty-three million, four hundred twenty-nine thousand, eight hundred thirty".