42988888913 has 2 divisors, whose sum is σ = 42988888914. Its totient is φ = 42988888912.

The previous prime is 42988888871. The next prime is 42988888951. The reversal of 42988888913 is 31988888924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41903318209 + 1085570704 = 204703^2 + 32948^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42988888913 is a prime.

It is not a weakly prime, because it can be changed into another prime (42988888213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21494444456 + 21494444457.

It is an arithmetic number, because the mean of its divisors is an integer number (21494444457).

Almost surely, 2^42988888913 is an apocalyptic number.

It is an amenable number.

42988888913 is a deficient number, since it is larger than the sum of its proper divisors (1).

42988888913 is an equidigital number, since it uses as much as digits as its factorization.

42988888913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63700992, while the sum is 68.

The spelling of 42988888913 in words is "forty-two billion, nine hundred eighty-eight million, eight hundred eighty-eight thousand, nine hundred thirteen".