1970695189680 has 320 divisors, whose sum is σ = 7117965754368. Its totient is φ = 441726151680.

The previous prime is 1970695189679. The next prime is 1970695189681. The reversal of 1970695189680 is 869815960791.

It is an interprime number because it is at equal distance from previous prime (1970695189679) and next prime (1970695189681).

It is not an unprimeable number, because it can be changed into a prime (1970695189681) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25061625 + ... + 25140135.

Almost surely, 2^{1970695189680} is an apocalyptic number.

1970695189680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1970695189680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3558982877184).

1970695189680 is an abundant number, since it is smaller than the sum of its proper divisors (5147270564688).

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

1970695189680 is a wasteful number, since it uses less digits than its factorization.

1970695189680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78824 (or 78818 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 69.

The spelling of 1970695189680 in words is "one trillion, nine hundred seventy billion, six hundred ninety-five million, one hundred eighty-nine thousand, six hundred eighty".