3708457282081 has 4 divisors (see below), whose sum is σ = 3711307750164. Its totient is φ = 3705606814000.

The previous prime is 3708457282021. The next prime is 3708457282111. The reversal of 3708457282081 is 1802827548073.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1202441640481 + 2506015641600 = 1096559^2 + 1583040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3708457282081 is a prime.

It is a super-2 number, since 2×3708457282081² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3708457282021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1425232090 + ... + 1425234691.

It is an arithmetic number, because the mean of its divisors is an integer number (927826937541).

Almost surely, 2^{3708457282081} is an apocalyptic number.

It is an amenable number.

3708457282081 is a deficient number, since it is larger than the sum of its proper divisors (2850468083).

3708457282081 is a wasteful number, since it uses less digits than its factorization.

3708457282081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850468082.

The product of its (nonzero) digits is 6021120, while the sum is 55.

The spelling of 3708457282081 in words is "three trillion, seven hundred eight billion, four hundred fifty-seven million, two hundred eighty-two thousand, eighty-one".