1912478552 has 16 divisors (see below), whose sum is σ = 3639419160. Its totient is φ = 941966784.

The previous prime is 1912478549. The next prime is 1912478587. The reversal of 1912478552 is 2558742191.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1783493 + ... + 1784564.

Almost surely, 2^1912478552 is an apocalyptic number.

It is an amenable number.

1912478552 is a deficient number, since it is larger than the sum of its proper divisors (1726940608).

1912478552 is a wasteful number, since it uses less digits than its factorization.

1912478552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3568130 (or 3568126 counting only the distinct ones).

The product of its digits is 201600, while the sum is 44.

The square root of 1912478552 is about 43731.8939905420. The cubic root of 1912478552 is about 1241.2679001471.

The spelling of 1912478552 in words is "one billion, nine hundred twelve million, four hundred seventy-eight thousand, five hundred fifty-two".