6381048537 has 14 divisors (see below), whose sum is σ = 9567197322. Its totient is φ = 4254031872.

The previous prime is 6381048529. The next prime is 6381048613. The reversal of 6381048537 is 7358401836.

6381048537 is a `hidden beast` number, since 6 + 3 + 8 + 104 + 8 + 537 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4658881536 + 1722167001 = 68256^2 + 41499^2 .

It is not a de Polignac number, because 6381048537 - 2³ = 6381048529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6381048492 and 6381048501.

It is not an unprimeable number, because it can be changed into a prime (6381048517) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 4375848 + ... + 4377305.

Almost surely, 2^6381048537 is an apocalyptic number.

It is an amenable number.

6381048537 is a deficient number, since it is larger than the sum of its proper divisors (3186148785).

6381048537 is an frugal number, since it uses more digits than its factorization.

6381048537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8753171 (or 8753156 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 6381048537 is about 79881.4655411379. The cubic root of 6381048537 is about 1854.8011195204.

The spelling of 6381048537 in words is "six billion, three hundred eighty-one million, forty-eight thousand, five hundred thirty-seven".