1972109258403 has 8 divisors (see below), whose sum is σ = 2629716566016. Its totient is φ = 1314620728200.

The previous prime is 1972109258363. The next prime is 1972109258419. The reversal of 1972109258403 is 3048529012791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1972109258403 - 2¹² = 1972109254307 is a prime.

It is a super-2 number, since 2×1972109258403² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1972109258003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29655603 + ... + 29722028.

It is an arithmetic number, because the mean of its divisors is an integer number (328714570752).

Almost surely, 2^{1972109258403} is an apocalyptic number.

1972109258403 is a deficient number, since it is larger than the sum of its proper divisors (657607307613).

1972109258403 is a wasteful number, since it uses less digits than its factorization.

1972109258403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59388705.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 1972109258403 in words is "one trillion, nine hundred seventy-two billion, one hundred nine million, two hundred fifty-eight thousand, four hundred three".