2149682537 has 4 divisors (see below), whose sum is σ = 2169773136. Its totient is φ = 2129591940.

The previous prime is 2149682533. The next prime is 2149682539. The reversal of 2149682537 is 7352869412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2149682537 - 2² = 2149682533 is a prime.

It is a super-2 number, since 2×2149682537² = 9242270019765512738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2149682491 and 2149682500.

It is not an unprimeable number, because it can be changed into a prime (2149682533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10045139 + ... + 10045352.

It is an arithmetic number, because the mean of its divisors is an integer number (542443284).

Almost surely, 2^2149682537 is an apocalyptic number.

It is an amenable number.

2149682537 is a deficient number, since it is larger than the sum of its proper divisors (20090599).

2149682537 is a wasteful number, since it uses less digits than its factorization.

2149682537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20090598.

The product of its digits is 725760, while the sum is 47.

The square root of 2149682537 is about 46364.6690595328. The cubic root of 2149682537 is about 1290.5993523208.

The spelling of 2149682537 in words is "two billion, one hundred forty-nine million, six hundred eighty-two thousand, five hundred thirty-seven".