49773666651 has 8 divisors (see below), whose sum is σ = 66467464704. Its totient is φ = 33131156520.

The previous prime is 49773666643. The next prime is 49773666653. The reversal of 49773666651 is 15666637794.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49773666651 - 2³ = 49773666643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49773666653) 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, 12819715 + ... + 12823596.

It is an arithmetic number, because the mean of its divisors is an integer number (8308433088).

Almost surely, 2^49773666651 is an apocalyptic number.

49773666651 is a deficient number, since it is larger than the sum of its proper divisors (16693798053).

49773666651 is a wasteful number, since it uses less digits than its factorization.

49773666651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25643961.

The product of its digits is 34292160, while the sum is 60.

The spelling of 49773666651 in words is "forty-nine billion, seven hundred seventy-three million, six hundred sixty-six thousand, six hundred fifty-one".