48656738925981 has 48 divisors (see below), whose sum is σ = 76612283926080. Its totient is φ = 30514344088320.

The previous prime is 48656738925961. The next prime is 48656738926013. The reversal of 48656738925981 is 18952983765684.

48656738925981 is a `hidden beast` number, since 4 + 86 + 5 + 67 + 389 + 25 + 9 + 81 = 666.

It is not a de Polignac number, because 48656738925981 - 2²¹ = 48656736828829 is a prime.

It is a super-2 number, since 2×48656738925981² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 48656738925981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48656738925961) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13935451 + ... + 17073671.

It is an arithmetic number, because the mean of its divisors is an integer number (1596089248460).

Almost surely, 2^{48656738925981} is an apocalyptic number.

It is an amenable number.

48656738925981 is a deficient number, since it is larger than the sum of its proper divisors (27955545000099).

48656738925981 is a wasteful number, since it uses less digits than its factorization.

48656738925981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140251 (or 3140228 counting only the distinct ones).

The product of its digits is 6270566400, while the sum is 81.

The spelling of 48656738925981 in words is "forty-eight trillion, six hundred fifty-six billion, seven hundred thirty-eight million, nine hundred twenty-five thousand, nine hundred eighty-one".