2690000243 has 8 divisors (see below), whose sum is σ = 3097754880. Its totient is φ = 2288112840.

The previous prime is 2690000207. The next prime is 2690000249. The reversal of 2690000243 is 3420000962.

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

It is a cyclic number.

It is not a de Polignac number, because 2690000243 - 2⁶ = 2690000179 is a prime.

It is a super-3 number, since 3×2690000243³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2690000249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1465823 + ... + 1467656.

It is an arithmetic number, because the mean of its divisors is an integer number (387219360).

Almost surely, 2^2690000243 is an apocalyptic number.

2690000243 is a deficient number, since it is larger than the sum of its proper divisors (407754637).

2690000243 is a wasteful number, since it uses less digits than its factorization.

2690000243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933617.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 2690000243 is about 51865.2122621705. The cubic root of 2690000243 is about 1390.7554582541.

The spelling of 2690000243 in words is "two billion, six hundred ninety million, two hundred forty-three", and thus it is an aban number.