1970955605 has 16 divisors (see below), whose sum is σ = 2526447024. Its totient is φ = 1470873600.

The previous prime is 1970955589. The next prime is 1970955607. The reversal of 1970955605 is 5065590791.

It can be written as a sum of positive squares in 8 ways, for example, as 217156 + 1970738449 = 466^2 + 44393^2 .

It is not a de Polignac number, because 1970955605 - 2⁴ = 1970955589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1970955605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970955607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92996 + ... + 112205.

It is an arithmetic number, because the mean of its divisors is an integer number (157902939).

Almost surely, 2^1970955605 is an apocalyptic number.

It is an amenable number.

1970955605 is a deficient number, since it is larger than the sum of its proper divisors (555491419).

1970955605 is a wasteful number, since it uses less digits than its factorization.

1970955605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205336.

The product of its (nonzero) digits is 425250, while the sum is 47.

The square root of 1970955605 is about 44395.4457686822. The cubic root of 1970955605 is about 1253.7923452585.

The spelling of 1970955605 in words is "one billion, nine hundred seventy million, nine hundred fifty-five thousand, six hundred five".