37819549081 has 8 divisors (see below), whose sum is σ = 38198102400. Its totient is φ = 37441076400.

The previous prime is 37819549057. The next prime is 37819549087. The reversal of 37819549081 is 18094591873.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 37819549081 - 2³⁵ = 3459810713 is a prime.

It is a super-2 number, since 2×37819549081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37819549087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1465750 + ... + 1491328.

It is an arithmetic number, because the mean of its divisors is an integer number (4774762800).

Almost surely, 2^37819549081 is an apocalyptic number.

It is an amenable number.

37819549081 is a deficient number, since it is larger than the sum of its proper divisors (378553319).

37819549081 is a wasteful number, since it uses less digits than its factorization.

37819549081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40319.

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 37819549081 in words is "thirty-seven billion, eight hundred nineteen million, five hundred forty-nine thousand, eighty-one".