48956007878449 has 21 divisors (see below), whose sum is σ = 57118073214457. Its totient is φ = 41960235391284.

The previous prime is 48956007878447. The next prime is 48956007878467. The reversal of 48956007878449 is 94487870065984.

The square root of 48956007878449 is 6996857.

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

It is not a de Polignac number, because 48956007878449 - 2¹ = 48956007878447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48956007878443) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 2399911752 + ... + 2399932150.

Almost surely, 2^{48956007878449} is an apocalyptic number.

48956007878449 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

48956007878449 is the 6996857-th square number.

48956007878449 is the 3498429-th centered octagonal number.

It is an amenable number.

48956007878449 is a deficient number, since it is larger than the sum of its proper divisors (8162065336008).

48956007878449 is an frugal number, since it uses more digits than its factorization.

48956007878449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40840 (or 20406 counting only the distinct ones).

The product of its (nonzero) digits is 3901685760, while the sum is 79.

The spelling of 48956007878449 in words is "forty-eight trillion, nine hundred fifty-six billion, seven million, eight hundred seventy-eight thousand, four hundred forty-nine".