1013021783672 has 8 divisors (see below), whose sum is σ = 1899415844400. Its totient is φ = 506510891832.

The previous prime is 1013021783663. The next prime is 1013021783783. The reversal of 1013021783672 is 2763871203101.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63313861472 + ... + 63313861487.

It is an arithmetic number, because the mean of its divisors is an integer number (237426980550).

Almost surely, 2^{1013021783672} is an apocalyptic number.

It is an amenable number.

1013021783672 is a deficient number, since it is larger than the sum of its proper divisors (886394060728).

1013021783672 is a wasteful number, since it uses less digits than its factorization.

1013021783672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126627722965 (or 126627722961 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

Adding to 1013021783672 its reverse (2763871203101), we get a palindrome (3776892986773).

The spelling of 1013021783672 in words is "one trillion, thirteen billion, twenty-one million, seven hundred eighty-three thousand, six hundred seventy-two".