1602963997 has 4 divisors (see below), whose sum is σ = 1603149856. Its totient is φ = 1602778140.

The previous prime is 1602963953. The next prime is 1602964007. The reversal of 1602963997 is 7993692061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1602963997 - 2¹¹ = 1602961949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1602966997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79329 + ... + 97462.

It is an arithmetic number, because the mean of its divisors is an integer number (400787464).

Almost surely, 2^1602963997 is an apocalyptic number.

It is an amenable number.

1602963997 is a deficient number, since it is larger than the sum of its proper divisors (185859).

1602963997 is an equidigital number, since it uses as much as digits as its factorization.

1602963997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185858.

The product of its (nonzero) digits is 1102248, while the sum is 52.

The square root of 1602963997 is about 40037.0328196284. The cubic root of 1602963997 is about 1170.3288814163.

The spelling of 1602963997 in words is "one billion, six hundred two million, nine hundred sixty-three thousand, nine hundred ninety-seven".