48515198409 has 6 divisors (see below), whose sum is σ = 70077508826. Its totient is φ = 32343465600.

The previous prime is 48515198401. The next prime is 48515198449. The reversal of 48515198409 is 90489151584.

48515198409 is a `hidden beast` number, since 4 + 85 + 1 + 519 + 8 + 40 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 25449182784 + 23066015625 = 159528^2 + 151875^2 .

It is not a de Polignac number, because 48515198409 - 2³ = 48515198401 is a prime.

It is a super-2 number, since 2×48515198409² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48515198401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2695288792 + ... + 2695288809.

Almost surely, 2^48515198409 is an apocalyptic number.

It is an amenable number.

48515198409 is a deficient number, since it is larger than the sum of its proper divisors (21562310417).

48515198409 is a wasteful number, since it uses less digits than its factorization.

48515198409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5390577607 (or 5390577604 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 54.

The spelling of 48515198409 in words is "forty-eight billion, five hundred fifteen million, one hundred ninety-eight thousand, four hundred nine".