46278748521 has 8 divisors (see below), whose sum is σ = 68561108960. Its totient is φ = 30852498996.

The previous prime is 46278748501. The next prime is 46278748547. The reversal of 46278748521 is 12584787264.

46278748521 is a `hidden beast` number, since 4 + 6 + 2 + 78 + 7 + 48 + 521 = 666.

It is not a de Polignac number, because 46278748521 - 2¹¹ = 46278746473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46278748501) 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 7 ways as a sum of consecutive naturals, for example, 857013835 + ... + 857013888.

It is an arithmetic number, because the mean of its divisors is an integer number (8570138620).

Almost surely, 2^46278748521 is an apocalyptic number.

It is an amenable number.

46278748521 is a deficient number, since it is larger than the sum of its proper divisors (22282360439).

46278748521 is a wasteful number, since it uses less digits than its factorization.

46278748521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714027732 (or 1714027726 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 54.

The spelling of 46278748521 in words is "forty-six billion, two hundred seventy-eight million, seven hundred forty-eight thousand, five hundred twenty-one".