1945023632 has 10 divisors (see below), whose sum is σ = 3768483318. Its totient is φ = 972511808.

The previous prime is 1945023623. The next prime is 1945023643. The reversal of 1945023632 is 2363205491.

It can be written as a sum of positive squares in only one way, i.e., 1555198096 + 389825536 = 39436^2 + 19744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1945023592 and 1945023601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60781973 + ... + 60782004.

Almost surely, 2^1945023632 is an apocalyptic number.

It is an amenable number.

1945023632 is a deficient number, since it is larger than the sum of its proper divisors (1823459686).

1945023632 is a wasteful number, since it uses less digits than its factorization.

1945023632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121563985 (or 121563979 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 1945023632 is about 44102.4220650068. The cubic root of 1945023632 is about 1248.2693130440.

The spelling of 1945023632 in words is "one billion, nine hundred forty-five million, twenty-three thousand, six hundred thirty-two".