2656250049 has 8 divisors (see below), whose sum is σ = 3541970272. Its totient is φ = 1770681600.

The previous prime is 2656250011. The next prime is 2656250053. The reversal of 2656250049 is 9400526562.

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

It is not a de Polignac number, because 2656250049 - 2¹² = 2656245953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2656249989 and 2656250016.

It is not an unprimeable number, because it can be changed into a prime (2656210049) 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, 12462 + ... + 73944.

It is an arithmetic number, because the mean of its divisors is an integer number (442746284).

Almost surely, 2^2656250049 is an apocalyptic number.

It is an amenable number.

2656250049 is a deficient number, since it is larger than the sum of its proper divisors (885720223).

2656250049 is a wasteful number, since it uses less digits than its factorization.

2656250049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75887.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 2656250049 is about 51538.8207955906. The cubic root of 2656250049 is about 1384.9145727045.

The spelling of 2656250049 in words is "two billion, six hundred fifty-six million, two hundred fifty thousand, forty-nine".