1916946452 has 12 divisors (see below), whose sum is σ = 3551989140. Its totient is φ = 902092416.

The previous prime is 1916946419. The next prime is 1916946463. The reversal of 1916946452 is 2546496191.

It can be written as a sum of positive squares in 2 ways, for example, as 724901776 + 1192044676 = 26924^2 + 34526^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1916946397 and 1916946406.

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, 14095127 + ... + 14095262.

It is an arithmetic number, because the mean of its divisors is an integer number (295999095).

Almost surely, 2^1916946452 is an apocalyptic number.

It is an amenable number.

1916946452 is a deficient number, since it is larger than the sum of its proper divisors (1635042688).

1916946452 is a wasteful number, since it uses less digits than its factorization.

1916946452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28190410 (or 28190408 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The square root of 1916946452 is about 43782.9470456250. The cubic root of 1916946452 is about 1242.2337580781.

The spelling of 1916946452 in words is "one billion, nine hundred sixteen million, nine hundred forty-six thousand, four hundred fifty-two".