1602730989 has 16 divisors (see below), whose sum is σ = 2382877440. Its totient is φ = 1064679840.

The previous prime is 1602730949. The next prime is 1602731017. The reversal of 1602730989 is 9890372061.

1602730989 is a `hidden beast` number, since 1 + 602 + 7 + 30 + 9 + 8 + 9 = 666.

It is not a de Polignac number, because 1602730989 - 2⁷ = 1602730861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1602730949) 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, 98037 + ... + 113210.

It is an arithmetic number, because the mean of its divisors is an integer number (148929840).

Almost surely, 2^1602730989 is an apocalyptic number.

It is an amenable number.

1602730989 is a deficient number, since it is larger than the sum of its proper divisors (780146451).

1602730989 is a wasteful number, since it uses less digits than its factorization.

1602730989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211537 (or 211531 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 1602730989 is about 40034.1228079247. The cubic root of 1602730989 is about 1170.2721720523.

The spelling of 1602730989 in words is "one billion, six hundred two million, seven hundred thirty thousand, nine hundred eighty-nine".