39958899885993 has 48 divisors (see below), whose sum is σ = 62219091291840. Its totient is φ = 22750470610560.

The previous prime is 39958899885941. The next prime is 39958899885997.

39958899885993 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 39958899885993 - 2⁹ = 39958899885481 is a prime.

It is a super-2 number, since 2×39958899885993² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39958899885997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50905755 + ... + 51684752.

It is an arithmetic number, because the mean of its divisors is an integer number (1296231068580).

Almost surely, 2^{39958899885993} is an apocalyptic number.

39958899885993 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

39958899885993 is a deficient number, since it is larger than the sum of its proper divisors (22260191405847).

39958899885993 is a wasteful number, since it uses less digits than its factorization.

39958899885993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102590598 (or 102590587 counting only the distinct ones).

The product of its digits is 489776025600, while the sum is 102.

It can be divided in two parts, 3995 and 8899885993, that added together give a palindrome (8899889988).

The spelling of 39958899885993 in words is "thirty-nine trillion, nine hundred fifty-eight billion, eight hundred ninety-nine million, eight hundred eighty-five thousand, nine hundred ninety-three".