49931071623 has 24 divisors (see below), whose sum is σ = 76205093328. Its totient is φ = 32659308864.

The previous prime is 49931071621. The next prime is 49931071681. The reversal of 49931071623 is 32617013994.

49931071623 is a `hidden beast` number, since 4 + 9 + 9 + 3 + 10 + 7 + 1 + 623 = 666.

It is not a de Polignac number, because 49931071623 - 2¹ = 49931071621 is a prime.

It is a super-2 number, since 2×49931071623² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49931071621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1925590 + ... + 1951347.

It is an arithmetic number, because the mean of its divisors is an integer number (3175212222).

Almost surely, 2^49931071623 is an apocalyptic number.

49931071623 is a deficient number, since it is larger than the sum of its proper divisors (26274021705).

49931071623 is an equidigital number, since it uses as much as digits as its factorization.

49931071623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3877005 (or 3876993 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The spelling of 49931071623 in words is "forty-nine billion, nine hundred thirty-one million, seventy-one thousand, six hundred twenty-three".