49081300849 has 9 divisors (see below), whose sum is σ = 57096378507. Its totient is φ = 42068357184.

The previous prime is 49081300847. The next prime is 49081300867. The reversal of 49081300849 is 94800318094.

The square root of 49081300849 is 221543.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 42934740849 + 6146560000 = 207207^2 + 78400^2 .

It is not a de Polignac number, because 49081300849 - 2¹ = 49081300847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49081300799 and 49081300808.

It is not an unprimeable number, because it can be changed into a prime (49081300847) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1534977 + ... + 1566625.

Almost surely, 2^49081300849 is an apocalyptic number.

49081300849 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

49081300849 is the 221543-rd square number.

49081300849 is the 110772-nd centered octagonal number.

It is an amenable number.

49081300849 is a deficient number, since it is larger than the sum of its proper divisors (8015077658).

49081300849 is an frugal number, since it uses more digits than its factorization.

49081300849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63312 (or 31656 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 49081300849 in words is "forty-nine billion, eighty-one million, three hundred thousand, eight hundred forty-nine".