8535837381 has 16 divisors (see below), whose sum is σ = 11998299840. Its totient is φ = 5382875520.

The previous prime is 8535837353. The next prime is 8535837389. The reversal of 8535837381 is 1837385358.

It is a happy number.

It is not a de Polignac number, because 8535837381 - 2¹¹ = 8535835333 is a prime.

It is a super-2 number, since 2×8535837381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8535837389) 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, 75600 + ... + 150953.

It is an arithmetic number, because the mean of its divisors is an integer number (749893740).

Almost surely, 2^8535837381 is an apocalyptic number.

It is an amenable number.

8535837381 is a deficient number, since it is larger than the sum of its proper divisors (3462462459).

8535837381 is a wasteful number, since it uses less digits than its factorization.

8535837381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227236.

The product of its digits is 2419200, while the sum is 51.

The square root of 8535837381 is about 92389.5956317593. The cubic root of 8535837381 is about 2043.6916830165.

The spelling of 8535837381 in words is "eight billion, five hundred thirty-five million, eight hundred thirty-seven thousand, three hundred eighty-one".