47981601803 has 2 divisors, whose sum is σ = 47981601804. Its totient is φ = 47981601802.

The previous prime is 47981601793. The next prime is 47981601809. The reversal of 47981601803 is 30810618974.

47981601803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47981601803 - 2²⁰ = 47980553227 is a prime.

It is a super-2 number, since 2×47981601803² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47981601809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23990800901 + 23990800902.

It is an arithmetic number, because the mean of its divisors is an integer number (23990800902).

Almost surely, 2^47981601803 is an apocalyptic number.

47981601803 is a deficient number, since it is larger than the sum of its proper divisors (1).

47981601803 is an equidigital number, since it uses as much as digits as its factorization.

47981601803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 47981601803 in words is "forty-seven billion, nine hundred eighty-one million, six hundred one thousand, eight hundred three".