37882450649 has 4 divisors (see below), whose sum is σ = 38250241536. Its totient is φ = 37514659764.

The previous prime is 37882450631. The next prime is 37882450673. The reversal of 37882450649 is 94605428873.

37882450649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94605428873 = 111091 ⋅851603.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37882450649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 37882450594 and 37882450603.

It is not an unprimeable number, because it can be changed into a prime (37882450609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183895289 + ... + 183895494.

It is an arithmetic number, because the mean of its divisors is an integer number (9562560384).

Almost surely, 2^37882450649 is an apocalyptic number.

It is an amenable number.

37882450649 is a deficient number, since it is larger than the sum of its proper divisors (367790887).

37882450649 is a wasteful number, since it uses less digits than its factorization.

37882450649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367790886.

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 37882450649 in words is "thirty-seven billion, eight hundred eighty-two million, four hundred fifty thousand, six hundred forty-nine".