2387438666437 has 32 divisors (see below), whose sum is σ = 2731241410560. Its totient is φ = 2067939693120.

The previous prime is 2387438666401. The next prime is 2387438666449. The reversal of 2387438666437 is 7346668347832.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2387438666437 - 2¹¹ = 2387438664389 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 (2387438666497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2761863 + ... + 3521755.

It is an arithmetic number, because the mean of its divisors is an integer number (85351294080).

Almost surely, 2^{2387438666437} is an apocalyptic number.

It is an amenable number.

2387438666437 is a deficient number, since it is larger than the sum of its proper divisors (343802744123).

2387438666437 is a wasteful number, since it uses less digits than its factorization.

2387438666437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760113.

The product of its digits is 585252864, while the sum is 67.

The spelling of 2387438666437 in words is "two trillion, three hundred eighty-seven billion, four hundred thirty-eight million, six hundred sixty-six thousand, four hundred thirty-seven".