61838243932 has 12 divisors (see below), whose sum is σ = 110856364416. Its totient is φ = 30164996960.

The previous prime is 61838243861. The next prime is 61838243933. The reversal of 61838243932 is 23934283816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61838243933) 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 3 ways as a sum of consecutive naturals, for example, 188531068 + ... + 188531395.

It is an arithmetic number, because the mean of its divisors is an integer number (9238030368).

Almost surely, 2^61838243932 is an apocalyptic number.

It is an amenable number.

61838243932 is a deficient number, since it is larger than the sum of its proper divisors (49018120484).

61838243932 is a wasteful number, since it uses less digits than its factorization.

61838243932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377062508 (or 377062506 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 49.

The spelling of 61838243932 in words is "sixty-one billion, eight hundred thirty-eight million, two hundred forty-three thousand, nine hundred thirty-two".