1970009213 has 4 divisors (see below), whose sum is σ = 2002304508. Its totient is φ = 1937713920.

The previous prime is 1970009201. The next prime is 1970009227. The reversal of 1970009213 is 3129000791.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24581764 + 1945427449 = 4958^2 + 44107^2 .

It is a cyclic number.

It is not a de Polignac number, because 1970009213 - 2⁶ = 1970009149 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 1970009213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970009413) 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, 16147556 + ... + 16147677.

It is an arithmetic number, because the mean of its divisors is an integer number (500576127).

Almost surely, 2^1970009213 is an apocalyptic number.

It is an amenable number.

1970009213 is a deficient number, since it is larger than the sum of its proper divisors (32295295).

1970009213 is an equidigital number, since it uses as much as digits as its factorization.

1970009213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32295294.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 1970009213 is about 44384.7858280290. The cubic root of 1970009213 is about 1253.5916356785.

The spelling of 1970009213 in words is "one billion, nine hundred seventy million, nine thousand, two hundred thirteen".