7106408381 has 8 divisors (see below), whose sum is σ = 7258751064. Its totient is φ = 6954742080.

The previous prime is 7106408377. The next prime is 7106408497. The reversal of 7106408381 is 1838046017.

It can be written as a sum of positive squares in 4 ways, for example, as 4363791481 + 2742616900 = 66059^2 + 52370^2 .

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 7106408381 - 2² = 7106408377 is a prime.

It is a super-2 number, since 2×7106408381² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7106408321) 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, 147830 + ... + 189911.

It is an arithmetic number, because the mean of its divisors is an integer number (907343883).

Almost surely, 2^7106408381 is an apocalyptic number.

It is an amenable number.

7106408381 is a deficient number, since it is larger than the sum of its proper divisors (152342683).

7106408381 is a wasteful number, since it uses less digits than its factorization.

7106408381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338191.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 7106408381 is about 84299.5159001521. The cubic root of 7106408381 is about 1922.5754266908.

The spelling of 7106408381 in words is "seven billion, one hundred six million, four hundred eight thousand, three hundred eighty-one".