42952390913 has 2 divisors, whose sum is σ = 42952390914. Its totient is φ = 42952390912.

The previous prime is 42952390909. The next prime is 42952390919. The reversal of 42952390913 is 31909325924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40187419024 + 2764971889 = 200468^2 + 52583^2 .

It is a cyclic number.

It is not a de Polignac number, because 42952390913 - 2² = 42952390909 is a prime.

It is not a weakly prime, because it can be changed into another prime (42952390919) 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, 21476195456 + 21476195457.

It is an arithmetic number, because the mean of its divisors is an integer number (21476195457).

Almost surely, 2^42952390913 is an apocalyptic number.

It is an amenable number.

42952390913 is a deficient number, since it is larger than the sum of its proper divisors (1).

42952390913 is an equidigital number, since it uses as much as digits as its factorization.

42952390913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 47.

The spelling of 42952390913 in words is "forty-two billion, nine hundred fifty-two million, three hundred ninety thousand, nine hundred thirteen".