42156033213 has 16 divisors (see below), whose sum is σ = 65973921920. Its totient is φ = 23438102976.

The previous prime is 42156033197. The next prime is 42156033217. The reversal of 42156033213 is 31233065124.

It is not a de Polignac number, because 42156033213 - 2⁴ = 42156033197 is a prime.

It is a super-2 number, since 2×42156033213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42156033217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27126658 + ... + 27128211.

It is an arithmetic number, because the mean of its divisors is an integer number (4123370120).

Almost surely, 2^42156033213 is an apocalyptic number.

It is an amenable number.

42156033213 is a deficient number, since it is larger than the sum of its proper divisors (23817888707).

42156033213 is a wasteful number, since it uses less digits than its factorization.

42156033213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54254916.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 42156033213 its reverse (31233065124), we get a palindrome (73389098337).

The spelling of 42156033213 in words is "forty-two billion, one hundred fifty-six million, thirty-three thousand, two hundred thirteen".