1965745412 has 6 divisors (see below), whose sum is σ = 3440054478. Its totient is φ = 982872704.

The previous prime is 1965745373. The next prime is 1965745423. The reversal of 1965745412 is 2145475691.

It can be written as a sum of positive squares in only one way, i.e., 1965680896 + 64516 = 44336^2 + 254^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245718173 + ... + 245718180.

It is an arithmetic number, because the mean of its divisors is an integer number (573342413).

Almost surely, 2^1965745412 is an apocalyptic number.

It is an amenable number.

1965745412 is a deficient number, since it is larger than the sum of its proper divisors (1474309066).

1965745412 is a wasteful number, since it uses less digits than its factorization.

1965745412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491436357 (or 491436355 counting only the distinct ones).

The product of its digits is 302400, while the sum is 44.

The square root of 1965745412 is about 44336.7275743260. The cubic root of 1965745412 is about 1252.6865762696.

The spelling of 1965745412 in words is "one billion, nine hundred sixty-five million, seven hundred forty-five thousand, four hundred twelve".