1970558476989 has 32 divisors (see below), whose sum is σ = 2654518272000. Its totient is φ = 1300222238400.

The previous prime is 1970558476981. The next prime is 1970558477033. The reversal of 1970558476989 is 9896748550791.

It is not a de Polignac number, because 1970558476989 - 2³ = 1970558476981 is a prime.

It is a super-2 number, since 2×1970558476989² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970558476981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230659252 + ... + 230667794.

It is an arithmetic number, because the mean of its divisors is an integer number (82953696000).

Almost surely, 2^{1970558476989} is an apocalyptic number.

It is an amenable number.

1970558476989 is a deficient number, since it is larger than the sum of its proper divisors (683959795011).

1970558476989 is a wasteful number, since it uses less digits than its factorization.

1970558476989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10505.

The product of its (nonzero) digits is 1371686400, while the sum is 78.

The spelling of 1970558476989 in words is "one trillion, nine hundred seventy billion, five hundred fifty-eight million, four hundred seventy-six thousand, nine hundred eighty-nine".