1965069882 has 40 divisors (see below), whose sum is σ = 4662231156. Its totient is φ = 616491648.

The previous prime is 1965069863. The next prime is 1965069917. The reversal of 1965069882 is 2889605691.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1882605321 + 82464561 = 43389^2 + 9081^2 .

It is a super-2 number, since 2×1965069882² = 7722999282286987848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 354013 + ... + 359520.

Almost surely, 2^1965069882 is an apocalyptic number.

1965069882 is an abundant number, since it is smaller than the sum of its proper divisors (2697161274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1965069882 is a wasteful number, since it uses less digits than its factorization.

1965069882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713564 (or 713555 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The square root of 1965069882 is about 44329.1087435784. The cubic root of 1965069882 is about 1252.5430642442.

The spelling of 1965069882 in words is "one billion, nine hundred sixty-five million, sixty-nine thousand, eight hundred eighty-two".