49620146247 has 12 divisors (see below), whose sum is σ = 81912622480. Its totient is φ = 28354369248.

The previous prime is 49620146239. The next prime is 49620146269. The reversal of 49620146247 is 74264102694.

49620146247 is a `hidden beast` number, since 4 + 9 + 6 + 2 + 0 + 14 + 624 + 7 = 666.

It is not a de Polignac number, because 49620146247 - 2³ = 49620146239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49620146447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 393810622 + ... + 393810747.

Almost surely, 2^49620146247 is an apocalyptic number.

49620146247 is a deficient number, since it is larger than the sum of its proper divisors (32292476233).

49620146247 is a wasteful number, since it uses less digits than its factorization.

49620146247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787621382 (or 787621379 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 49620146247 in words is "forty-nine billion, six hundred twenty million, one hundred forty-six thousand, two hundred forty-seven".