2681657270 has 8 divisors (see below), whose sum is σ = 4826983104. Its totient is φ = 1072662904.

The previous prime is 2681657269. The next prime is 2681657273. The reversal of 2681657270 is 727561862.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681657273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134082854 + ... + 134082873.

It is an arithmetic number, because the mean of its divisors is an integer number (603372888).

Almost surely, 2^2681657270 is an apocalyptic number.

2681657270 is a deficient number, since it is larger than the sum of its proper divisors (2145325834).

2681657270 is a wasteful number, since it uses less digits than its factorization.

2681657270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268165734.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 2681657270 is about 51784.7204298720. The cubic root of 2681657270 is about 1389.3161707182.

The spelling of 2681657270 in words is "two billion, six hundred eighty-one million, six hundred fifty-seven thousand, two hundred seventy".