49812321652 has 24 divisors (see below), whose sum is σ = 87684611616. Its totient is φ = 24759984288.

The previous prime is 49812321577. The next prime is 49812321653. The reversal of 49812321652 is 25612321894.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 49812321599 and 49812321608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49812321653) 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 7 ways as a sum of consecutive naturals, for example, 440103 + ... + 541585.

It is an arithmetic number, because the mean of its divisors is an integer number (3653525484).

Almost surely, 2^49812321652 is an apocalyptic number.

It is an amenable number.

49812321652 is a deficient number, since it is larger than the sum of its proper divisors (37872289964).

49812321652 is a wasteful number, since it uses less digits than its factorization.

49812321652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102207 (or 102205 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The spelling of 49812321652 in words is "forty-nine billion, eight hundred twelve million, three hundred twenty-one thousand, six hundred fifty-two".