1970471693 has 4 divisors (see below), whose sum is σ = 2034035328. Its totient is φ = 1906908060.

The previous prime is 1970471687. The next prime is 1970471707. The reversal of 1970471693 is 3961740791.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3961740791 = 59 ⋅67148149.

It is a cyclic number.

It is not a de Polignac number, because 1970471693 - 2¹⁰ = 1970470669 is a prime.

It is a super-4 number, since 4×1970471693⁴ (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970471653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31781771 + ... + 31781832.

It is an arithmetic number, because the mean of its divisors is an integer number (508508832).

Almost surely, 2^1970471693 is an apocalyptic number.

It is an amenable number.

1970471693 is a deficient number, since it is larger than the sum of its proper divisors (63563635).

1970471693 is an equidigital number, since it uses as much as digits as its factorization.

1970471693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63563634.

The product of its (nonzero) digits is 285768, while the sum is 47.

The square root of 1970471693 is about 44389.9954156339. The cubic root of 1970471693 is about 1253.6897258622.

The spelling of 1970471693 in words is "one billion, nine hundred seventy million, four hundred seventy-one thousand, six hundred ninety-three".