1942689516 has 24 divisors (see below), whose sum is σ = 4549676544. Its totient is φ = 645172560.

The previous prime is 1942689499. The next prime is 1942689527. The reversal of 1942689516 is 6159862491.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295440 + ... + 301943.

It is an arithmetic number, because the mean of its divisors is an integer number (189569856).

Almost surely, 2^1942689516 is an apocalyptic number.

It is an amenable number.

1942689516 is an abundant number, since it is smaller than the sum of its proper divisors (2606987028).

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

1942689516 is a wasteful number, since it uses less digits than its factorization.

1942689516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597661 (or 597659 counting only the distinct ones).

The product of its digits is 933120, while the sum is 51.

The square root of 1942689516 is about 44075.9516743541. The cubic root of 1942689516 is about 1247.7697866987.

The spelling of 1942689516 in words is "one billion, nine hundred forty-two million, six hundred eighty-nine thousand, five hundred sixteen".