61883648042 has 16 divisors (see below), whose sum is σ = 96032462760. Its totient is φ = 29872963008.

The previous prime is 61883648003. The next prime is 61883648063. The reversal of 61883648042 is 24084638816.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 47969322361 + 13914325681 = 219019^2 + 117959^2 .

It is a super-2 number, since 2×61883648042² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1409648 + ... + 1452884.

Almost surely, 2^61883648042 is an apocalyptic number.

61883648042 is a deficient number, since it is larger than the sum of its proper divisors (34148814718).

61883648042 is a wasteful number, since it uses less digits than its factorization.

61883648042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67945.

The product of its (nonzero) digits is 1769472, while the sum is 50.

The spelling of 61883648042 in words is "sixty-one billion, eight hundred eighty-three million, six hundred forty-eight thousand, forty-two".