1674739869 has 8 divisors (see below), whose sum is σ = 2435985312. Its totient is φ = 1014993840.

The previous prime is 1674739867. The next prime is 1674739889. The reversal of 1674739869 is 9689374761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1674739869 - 2¹ = 1674739867 is a prime.

It is a super-2 number, since 2×1674739869² = 5609507257636274322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1674739867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25374814 + ... + 25374879.

It is an arithmetic number, because the mean of its divisors is an integer number (304498164).

Almost surely, 2^1674739869 is an apocalyptic number.

It is an amenable number.

1674739869 is a deficient number, since it is larger than the sum of its proper divisors (761245443).

1674739869 is a wasteful number, since it uses less digits than its factorization.

1674739869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50749707.

The product of its digits is 13716864, while the sum is 60.

The square root of 1674739869 is about 40923.5857299919. The cubic root of 1674739869 is about 1187.5423867271.

It can be divided in two parts, 16747 and 39869, that added together give a triangular number (56616 = T₃₃₆).

The spelling of 1674739869 in words is "one billion, six hundred seventy-four million, seven hundred thirty-nine thousand, eight hundred sixty-nine".