48415825921 has 16 divisors (see below), whose sum is σ = 49791168000. Its totient is φ = 47061883008.

The previous prime is 48415825919. The next prime is 48415825933. The reversal of 48415825921 is 12952851484.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 48415825921 - 2¹ = 48415825919 is a prime.

It is a super-2 number, since 2×48415825921² (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 (48415825951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1948045 + ... + 1972741.

It is an arithmetic number, because the mean of its divisors is an integer number (3111948000).

Almost surely, 2^48415825921 is an apocalyptic number.

It is an amenable number.

48415825921 is a deficient number, since it is larger than the sum of its proper divisors (1375342079).

48415825921 is a wasteful number, since it uses less digits than its factorization.

48415825921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25128.

The product of its digits is 921600, while the sum is 49.

The spelling of 48415825921 in words is "forty-eight billion, four hundred fifteen million, eight hundred twenty-five thousand, nine hundred twenty-one".