1972020499641 has 16 divisors (see below), whose sum is σ = 2921533646400. Its totient is φ = 1314670525344.

The previous prime is 1972020499619. The next prime is 1972020499643. The reversal of 1972020499641 is 1469940202791.

1972020499641 is a `hidden beast` number, since 1 + 9 + 72 + 0 + 20 + 499 + 64 + 1 = 666.

It is not a de Polignac number, because 1972020499641 - 2¹¹ = 1972020497593 is a prime.

It is a super-2 number, since 2×1972020499641² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1972020499643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6273085 + ... + 6579941.

It is an arithmetic number, because the mean of its divisors is an integer number (182595852900).

Almost surely, 2^{1972020499641} is an apocalyptic number.

It is an amenable number.

1972020499641 is a deficient number, since it is larger than the sum of its proper divisors (949513146759).

1972020499641 is a wasteful number, since it uses less digits than its factorization.

1972020499641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544885 (or 544879 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 1972020499641 in words is "one trillion, nine hundred seventy-two billion, twenty million, four hundred ninety-nine thousand, six hundred forty-one".