49665687926 has 16 divisors (see below), whose sum is σ = 75450450240. Its totient is φ = 24515612160.

The previous prime is 49665687923. The next prime is 49665687937. The reversal of 49665687926 is 62978656694.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49665687923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2061140 + ... + 2085096.

It is an arithmetic number, because the mean of its divisors is an integer number (4715653140).

Almost surely, 2^49665687926 is an apocalyptic number.

49665687926 is a deficient number, since it is larger than the sum of its proper divisors (25784762314).

49665687926 is a wasteful number, since it uses less digits than its factorization.

49665687926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37159.

The product of its digits is 235146240, while the sum is 68.

The spelling of 49665687926 in words is "forty-nine billion, six hundred sixty-five million, six hundred eighty-seven thousand, nine hundred twenty-six".