61484830990 has 16 divisors (see below), whose sum is σ = 120733850160. Its totient is φ = 22358120320.

The previous prime is 61484830987. The next prime is 61484830999. The reversal of 61484830990 is 9903848416.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61484830999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279476395 + ... + 279476614.

It is an arithmetic number, because the mean of its divisors is an integer number (7545865635).

Almost surely, 2^61484830990 is an apocalyptic number.

61484830990 is a deficient number, since it is larger than the sum of its proper divisors (59249019170).

61484830990 is a wasteful number, since it uses less digits than its factorization.

61484830990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558953027.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 61484830990 in words is "sixty-one billion, four hundred eighty-four million, eight hundred thirty thousand, nine hundred ninety".