19773613464930 has 288 divisors, whose sum is σ = 57628408780800. Its totient is φ = 4696376735232.

The previous prime is 19773613464919. The next prime is 19773613464973. The reversal of 19773613464930 is 3946431637791.

19773613464930 is a `hidden beast` number, since 1 + 9 + 7 + 7 + 3 + 6 + 134 + 6 + 493 + 0 = 666.

It is a super-2 number, since 2×19773613464930² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 698231311 + ... + 698259629.

It is an arithmetic number, because the mean of its divisors is an integer number (200098641600).

Almost surely, 2^{19773613464930} is an apocalyptic number.

19773613464930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 19773613464930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28814204390400).

19773613464930 is an abundant number, since it is smaller than the sum of its proper divisors (37854795315870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19773613464930 is a wasteful number, since it uses less digits than its factorization.

19773613464930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29970 (or 29954 counting only the distinct ones).

The product of its (nonzero) digits is 61725888, while the sum is 63.

The spelling of 19773613464930 in words is "nineteen trillion, seven hundred seventy-three billion, six hundred thirteen million, four hundred sixty-four thousand, nine hundred thirty".