1674913993 has 4 divisors (see below), whose sum is σ = 1687699728. Its totient is φ = 1662128260.

The previous prime is 1674913957. The next prime is 1674914063. The reversal of 1674913993 is 3993194761.

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 1674913993 - 2⁹ = 1674913481 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1674913993.

It is not an unprimeable number, because it can be changed into a prime (1674913943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6392671 + ... + 6392932.

It is an arithmetic number, because the mean of its divisors is an integer number (421924932).

Almost surely, 2^1674913993 is an apocalyptic number.

It is an amenable number.

1674913993 is a deficient number, since it is larger than the sum of its proper divisors (12785735).

1674913993 is a wasteful number, since it uses less digits than its factorization.

1674913993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12785734.

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

The square root of 1674913993 is about 40925.7131031336. The cubic root of 1674913993 is about 1187.5835418678.

The spelling of 1674913993 in words is "one billion, six hundred seventy-four million, nine hundred thirteen thousand, nine hundred ninety-three".