1965012942 has 32 divisors (see below), whose sum is σ = 4039299072. Its totient is φ = 636970464.

The previous prime is 1965012919. The next prime is 1965012953. The reversal of 1965012942 is 2492105691.

It is a super-2 number, since 2×1965012942² = 7722551724454990728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1965012942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22083 + ... + 66465.

It is an arithmetic number, because the mean of its divisors is an integer number (126228096).

Almost surely, 2^1965012942 is an apocalyptic number.

1965012942 is an abundant number, since it is smaller than the sum of its proper divisors (2074286130).

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

1965012942 is a wasteful number, since it uses less digits than its factorization.

1965012942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44592.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 1965012942 is about 44328.4664972746. The cubic root of 1965012942 is about 1252.5309662027.

The spelling of 1965012942 in words is "one billion, nine hundred sixty-five million, twelve thousand, nine hundred forty-two".