47903041581 has 8 divisors (see below), whose sum is σ = 64953276960. Its totient is φ = 31394083632.

The previous prime is 47903041579. The next prime is 47903041583. The reversal of 47903041581 is 18514030974.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47903041579) and next prime (47903041583).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47903041581 - 2¹ = 47903041579 is a prime.

It is a super-2 number, since 2×47903041581² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47903041583) 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, 135319150 + ... + 135319503.

It is an arithmetic number, because the mean of its divisors is an integer number (8119159620).

Almost surely, 2^47903041581 is an apocalyptic number.

It is an amenable number.

47903041581 is a deficient number, since it is larger than the sum of its proper divisors (17050235379).

47903041581 is a wasteful number, since it uses less digits than its factorization.

47903041581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270638715.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 47903041581 in words is "forty-seven billion, nine hundred three million, forty-one thousand, five hundred eighty-one".