1972885170630 has 64 divisors (see below), whose sum is σ = 5181875140608. Its totient is φ = 476747132160.

The previous prime is 1972885170617. The next prime is 1972885170643. The reversal of 1972885170630 is 360715882791.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1972885170617) and next prime (1972885170643).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9446934 + ... + 9653513.

It is an arithmetic number, because the mean of its divisors is an integer number (80966799072).

Almost surely, 2^{1972885170630} is an apocalyptic number.

1972885170630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1972885170630 is an abundant number, since it is smaller than the sum of its proper divisors (3208989969978).

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

1972885170630 is a wasteful number, since it uses less digits than its factorization.

1972885170630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19100781.

The product of its (nonzero) digits is 5080320, while the sum is 57.

The spelling of 1972885170630 in words is "one trillion, nine hundred seventy-two billion, eight hundred eighty-five million, one hundred seventy thousand, six hundred thirty".