196027538437 has 4 divisors (see below), whose sum is σ = 196046825580. Its totient is φ = 196008251296.

The previous prime is 196027538431. The next prime is 196027538467. The reversal of 196027538437 is 734835720691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 734835720691 = 907 ⋅810182713.

It can be written as a sum of positive squares in 2 ways, for example, as 156779570116 + 39247968321 = 395954^2 + 198111^2 .

It is a cyclic number.

It is not a de Polignac number, because 196027538437 - 2³ = 196027538429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196027538431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9628318 + ... + 9648655.

It is an arithmetic number, because the mean of its divisors is an integer number (49011706395).

It is a 1-persistent number, because it is pandigital, but 2⋅196027538437 = 392055076874 is not.

Almost surely, 2^196027538437 is an apocalyptic number.

It is an amenable number.

196027538437 is a deficient number, since it is larger than the sum of its proper divisors (19287143).

196027538437 is a wasteful number, since it uses less digits than its factorization.

196027538437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19287142.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 196027538437 in words is "one hundred ninety-six billion, twenty-seven million, five hundred thirty-eight thousand, four hundred thirty-seven".