100427046481 has 2 divisors, whose sum is σ = 100427046482. Its totient is φ = 100427046480.

The previous prime is 100427046439. The next prime is 100427046497. The reversal of 100427046481 is 184640724001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97728763456 + 2698283025 = 312616^2 + 51945^2 .

It is a cyclic number.

It is not a de Polignac number, because 100427046481 - 2³⁵ = 66067308113 is a prime.

It is a super-2 number, since 2×100427046481² (a number of 23 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 100427046481.

It is not a weakly prime, because it can be changed into another prime (100427044481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50213523240 + 50213523241.

It is an arithmetic number, because the mean of its divisors is an integer number (50213523241).

Almost surely, 2^100427046481 is an apocalyptic number.

It is an amenable number.

100427046481 is a deficient number, since it is larger than the sum of its proper divisors (1).

100427046481 is an equidigital number, since it uses as much as digits as its factorization.

100427046481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 37.

The spelling of 100427046481 in words is "one hundred billion, four hundred twenty-seven million, forty-six thousand, four hundred eighty-one".