48139487451 has 24 divisors (see below), whose sum is σ = 75914582016. Its totient is φ = 29152977840.

The previous prime is 48139487449. The next prime is 48139487453. The reversal of 48139487451 is 15478493184.

48139487451 is a `hidden beast` number, since 4 + 81 + 39 + 4 + 87 + 451 = 666.

It is an interprime number because it is at equal distance from previous prime (48139487449) and next prime (48139487453).

It is not a de Polignac number, because 48139487451 - 2¹ = 48139487449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48139487453) 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 23 ways as a sum of consecutive naturals, for example, 57595 + ... + 315588.

It is an arithmetic number, because the mean of its divisors is an integer number (3163107584).

Almost surely, 2^48139487451 is an apocalyptic number.

48139487451 is a deficient number, since it is larger than the sum of its proper divisors (27775094565).

48139487451 is a wasteful number, since it uses less digits than its factorization.

48139487451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374503 (or 374500 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The spelling of 48139487451 in words is "forty-eight billion, one hundred thirty-nine million, four hundred eighty-seven thousand, four hundred fifty-one".