1970328659 has 32 divisors (see below), whose sum is σ = 2245017600. Its totient is φ = 1716670080.

The previous prime is 1970328641. The next prime is 1970328683. The reversal of 1970328659 is 9568230791.

It is a cyclic number.

It is not a de Polignac number, because 1970328659 - 2¹⁶ = 1970263123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1970322659) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4113182 + ... + 4113660.

It is an arithmetic number, because the mean of its divisors is an integer number (70156800).

Almost surely, 2^1970328659 is an apocalyptic number.

1970328659 is a deficient number, since it is larger than the sum of its proper divisors (274688941).

1970328659 is a wasteful number, since it uses less digits than its factorization.

1970328659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755.

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 1970328659 is about 44388.3842801245. The cubic root of 1970328659 is about 1253.6593905546.

The spelling of 1970328659 in words is "one billion, nine hundred seventy million, three hundred twenty-eight thousand, six hundred fifty-nine".