2154522059770 has 32 divisors (see below), whose sum is σ = 4012387675920. Its totient is φ = 831983631360.

The previous prime is 2154522059737. The next prime is 2154522059831. The reversal of 2154522059770 is 779502254512.

It can be written as a sum of positive squares in 8 ways, for example, as 891413557609 + 1263108502161 = 944147^2 + 1123881^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1783300 + ... + 2736640.

Almost surely, 2^{2154522059770} is an apocalyptic number.

2154522059770 is a deficient number, since it is larger than the sum of its proper divisors (1857865616150).

2154522059770 is a wasteful number, since it uses less digits than its factorization.

2154522059770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961170.

The product of its (nonzero) digits is 1764000, while the sum is 49.

The spelling of 2154522059770 in words is "two trillion, one hundred fifty-four billion, five hundred twenty-two million, fifty-nine thousand, seven hundred seventy".