1602420993 has 12 divisors (see below), whose sum is σ = 2436429840. Its totient is φ = 1012055256.

The previous prime is 1602420983. The next prime is 1602421001. The reversal of 1602420993 is 3990242061.

1602420993 is a `hidden beast` number, since 1 + 602 + 42 + 0 + 9 + 9 + 3 = 666.

It is not a de Polignac number, because 1602420993 - 2⁹ = 1602420481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1602420913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4685271 + ... + 4685612.

It is an arithmetic number, because the mean of its divisors is an integer number (203035820).

Almost surely, 2^1602420993 is an apocalyptic number.

It is an amenable number.

1602420993 is a deficient number, since it is larger than the sum of its proper divisors (834008847).

1602420993 is a wasteful number, since it uses less digits than its factorization.

1602420993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9370908 (or 9370905 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 1602420993 is about 40030.2509734825. The cubic root of 1602420993 is about 1170.1967168685.

The spelling of 1602420993 in words is "one billion, six hundred two million, four hundred twenty thousand, nine hundred ninety-three".