2061550928 has 10 divisors (see below), whose sum is σ = 3994254954. Its totient is φ = 1030775456.

The previous prime is 2061550903. The next prime is 2061550949. The reversal of 2061550928 is 8290551602.

It can be written as a sum of positive squares in only one way, i.e., 1232571664 + 828979264 = 35108^2 + 28792^2 .

It is a super-2 number, since 2×2061550928² = 8499984457475322368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2061550891 and 2061550900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64423451 + ... + 64423482.

Almost surely, 2^2061550928 is an apocalyptic number.

It is an amenable number.

2061550928 is a deficient number, since it is larger than the sum of its proper divisors (1932704026).

2061550928 is a wasteful number, since it uses less digits than its factorization.

2061550928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128846941 (or 128846935 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 2061550928 is about 45404.3051703250. The cubic root of 2061550928 is about 1272.7155665540.

The spelling of 2061550928 in words is "two billion, sixty-one million, five hundred fifty thousand, nine hundred twenty-eight".