2690725538 has 8 divisors (see below), whose sum is σ = 4166284800. Its totient is φ = 1301963940.

The previous prime is 2690725517. The next prime is 2690725567. The reversal of 2690725538 is 8355270962.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2690725492 and 2690725501.

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, 21699338 + ... + 21699461.

It is an arithmetic number, because the mean of its divisors is an integer number (520785600).

Almost surely, 2^2690725538 is an apocalyptic number.

2690725538 is a deficient number, since it is larger than the sum of its proper divisors (1475559262).

2690725538 is a wasteful number, since it uses less digits than its factorization.

2690725538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43398832.

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 2690725538 is about 51872.2039053673. The cubic root of 2690725538 is about 1390.8804418036.

The spelling of 2690725538 in words is "two billion, six hundred ninety million, seven hundred twenty-five thousand, five hundred thirty-eight".