2549490395 has 8 divisors (see below), whose sum is σ = 3220409040. Its totient is φ = 1932245280.

The previous prime is 2549490371. The next prime is 2549490397. The reversal of 2549490395 is 5930949452.

It is a happy number.

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

It is not a de Polignac number, because 2549490395 - 2¹² = 2549486299 is a prime.

It is a super-4 number, since 4×2549490395⁴ (a number of 39 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (2549490397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13418276 + ... + 13418465.

It is an arithmetic number, because the mean of its divisors is an integer number (402551130).

Almost surely, 2^2549490395 is an apocalyptic number.

2549490395 is a deficient number, since it is larger than the sum of its proper divisors (670918645).

2549490395 is a wasteful number, since it uses less digits than its factorization.

2549490395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26836765.

The product of its (nonzero) digits is 1749600, while the sum is 50.

The square root of 2549490395 is about 50492.4785983021. The cubic root of 2549490395 is about 1366.1061927123.

The spelling of 2549490395 in words is "two billion, five hundred forty-nine million, four hundred ninety thousand, three hundred ninety-five".