3516242840437 has 4 divisors (see below), whose sum is σ = 3531334011660. Its totient is φ = 3501151669216.

The previous prime is 3516242840419. The next prime is 3516242840501. The reversal of 3516242840437 is 7340482426153.

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 2284085119761 + 1232157720676 = 1511319^2 + 1110026^2 .

It is a cyclic number.

It is not a de Polignac number, because 3516242840437 - 2³⁵ = 3481883102069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3516242840237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7545585262 + ... + 7545585727.

It is an arithmetic number, because the mean of its divisors is an integer number (882833502915).

Almost surely, 2^{3516242840437} is an apocalyptic number.

It is an amenable number.

3516242840437 is a deficient number, since it is larger than the sum of its proper divisors (15091171223).

3516242840437 is a wasteful number, since it uses less digits than its factorization.

3516242840437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15091171222.

The product of its (nonzero) digits is 3870720, while the sum is 49.

The spelling of 3516242840437 in words is "three trillion, five hundred sixteen billion, two hundred forty-two million, eight hundred forty thousand, four hundred thirty-seven".