2690915842 has 8 divisors (see below), whose sum is σ = 4041353232. Its totient is φ = 1343798100.

The previous prime is 2690915807. The next prime is 2690915861. The reversal of 2690915842 is 2485190962.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2690915792 and 2690915801.

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, 827884 + ... + 831127.

It is an arithmetic number, because the mean of its divisors is an integer number (505169154).

Almost surely, 2^2690915842 is an apocalyptic number.

2690915842 is a deficient number, since it is larger than the sum of its proper divisors (1350437390).

2690915842 is a wasteful number, since it uses less digits than its factorization.

2690915842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659824.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 2690915842 is about 51874.0382272288. The cubic root of 2690915842 is about 1390.9132314568.

The spelling of 2690915842 in words is "two billion, six hundred ninety million, nine hundred fifteen thousand, eight hundred forty-two".