3437436681 has 36 divisors (see below), whose sum is σ = 5870560644. Its totient is φ = 1932033600.

The previous prime is 3437436677. The next prime is 3437436707. The reversal of 3437436681 is 1866347343.

3437436681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 213014025 + 3224422656 = 14595^2 + 56784^2 .

It is not a de Polignac number, because 3437436681 - 2² = 3437436677 is a prime.

It is a super-2 number, since 2×3437436681² = 23631941871768591522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3437436781) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 36990 + ... + 90791.

It is an arithmetic number, because the mean of its divisors is an integer number (163071129).

Almost surely, 2^3437436681 is an apocalyptic number.

It is an amenable number.

3437436681 is a deficient number, since it is larger than the sum of its proper divisors (2433123963).

3437436681 is a wasteful number, since it uses less digits than its factorization.

3437436681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127862 (or 127852 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 3437436681 is about 58629.6570090598. The cubic root of 3437436681 is about 1509.1934176015.

The spelling of 3437436681 in words is "three billion, four hundred thirty-seven million, four hundred thirty-six thousand, six hundred eighty-one".