42951225601 has 2 divisors, whose sum is σ = 42951225602. Its totient is φ = 42951225600.

The previous prime is 42951225571. The next prime is 42951225613. The reversal of 42951225601 is 10652215924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22552530625 + 20398694976 = 150175^2 + 142824^2 .

It is a cyclic number.

It is not a de Polignac number, because 42951225601 - 2²¹ = 42949128449 is a prime.

It is a super-2 number, since 2×42951225601² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42951225631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21475612800 + 21475612801.

It is an arithmetic number, because the mean of its divisors is an integer number (21475612801).

Almost surely, 2^42951225601 is an apocalyptic number.

It is an amenable number.

42951225601 is a deficient number, since it is larger than the sum of its proper divisors (1).

42951225601 is an equidigital number, since it uses as much as digits as its factorization.

42951225601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 42951225601 in words is "forty-two billion, nine hundred fifty-one million, two hundred twenty-five thousand, six hundred one".