1970189502 has 16 divisors (see below), whose sum is σ = 3977206272. Its totient is φ = 650591960.

The previous prime is 1970189489. The next prime is 1970189513. The reversal of 1970189502 is 2059810791.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1533774 + ... + 1535057.

It is an arithmetic number, because the mean of its divisors is an integer number (248575392).

Almost surely, 2^1970189502 is an apocalyptic number.

1970189502 is an abundant number, since it is smaller than the sum of its proper divisors (2007016770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1970189502 is a wasteful number, since it uses less digits than its factorization.

1970189502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068943.

The product of its (nonzero) digits is 45360, while the sum is 42.

The square root of 1970189502 is about 44386.8167590333. The cubic root of 1970189502 is about 1253.6298760898.

The spelling of 1970189502 in words is "one billion, nine hundred seventy million, one hundred eighty-nine thousand, five hundred two".