1970212826 has 4 divisors (see below), whose sum is σ = 2955319242. Its totient is φ = 985106412.

The previous prime is 1970212813. The next prime is 1970212859. The reversal of 1970212826 is 6282120791.

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

It can be written as a sum of positive squares in only one way, i.e., 1303282201 + 666930625 = 36101^2 + 25825^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1970212826.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492553205 + ... + 492553208.

Almost surely, 2^1970212826 is an apocalyptic number.

1970212826 is a deficient number, since it is larger than the sum of its proper divisors (985106416).

1970212826 is an equidigital number, since it uses as much as digits as its factorization.

1970212826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985106415.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 1970212826 is about 44387.0794939248. The cubic root of 1970212826 is about 1253.6348230840.

The spelling of 1970212826 in words is "one billion, nine hundred seventy million, two hundred twelve thousand, eight hundred twenty-six".