49835561428 has 6 divisors (see below), whose sum is σ = 87212232506. Its totient is φ = 24917780712.

The previous prime is 49835561407. The next prime is 49835561519. The reversal of 49835561428 is 82416553894.

It can be written as a sum of positive squares in only one way, i.e., 37238192784 + 12597368644 = 192972^2 + 112238^2 .

It is a super-2 number, since 2×49835561428² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6229445175 + ... + 6229445182.

Almost surely, 2^49835561428 is an apocalyptic number.

It is an amenable number.

49835561428 is a deficient number, since it is larger than the sum of its proper divisors (37376671078).

49835561428 is a wasteful number, since it uses less digits than its factorization.

49835561428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12458890361 (or 12458890359 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 55.

The spelling of 49835561428 in words is "forty-nine billion, eight hundred thirty-five million, five hundred sixty-one thousand, four hundred twenty-eight".