42362121345 has 64 divisors (see below), whose sum is σ = 70840915200. Its totient is φ = 21589908480.

The previous prime is 42362121337. The next prime is 42362121371. The reversal of 42362121345 is 54312126324.

It is not a de Polignac number, because 42362121345 - 2³ = 42362121337 is a prime.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 19072335 + ... + 19074555.

It is an arithmetic number, because the mean of its divisors is an integer number (1106889300).

Almost surely, 2^42362121345 is an apocalyptic number.

It is an amenable number.

42362121345 is a deficient number, since it is larger than the sum of its proper divisors (28478793855).

42362121345 is a wasteful number, since it uses less digits than its factorization.

42362121345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690.

The product of its digits is 34560, while the sum is 33.

Adding to 42362121345 its reverse (54312126324), we get a palindrome (96674247669).

The spelling of 42362121345 in words is "forty-two billion, three hundred sixty-two million, one hundred twenty-one thousand, three hundred forty-five".