2154923510 has 16 divisors (see below), whose sum is σ = 3973469472. Its totient is φ = 840945600.

The previous prime is 2154923489. The next prime is 2154923591. The reversal of 2154923510 is 153294512.

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, 2627546 + ... + 2628365.

It is an arithmetic number, because the mean of its divisors is an integer number (248341842).

Almost surely, 2^2154923510 is an apocalyptic number.

2154923510 is a deficient number, since it is larger than the sum of its proper divisors (1818545962).

2154923510 is a wasteful number, since it uses less digits than its factorization.

2154923510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5255959.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 2154923510 is about 46421.1536909629. The cubic root of 2154923510 is about 1291.6473375857.

The spelling of 2154923510 in words is "two billion, one hundred fifty-four million, nine hundred twenty-three thousand, five hundred ten".