1674699497 has 4 divisors (see below), whose sum is σ = 1697640660. Its totient is φ = 1651758336.

The previous prime is 1674699493. The next prime is 1674699517. The reversal of 1674699497 is 7949964761.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7949964761 = 80803 ⋅98387.

It can be written as a sum of positive squares in 2 ways, for example, as 304293136 + 1370406361 = 17444^2 + 37019^2 .

It is a cyclic number.

It is not a de Polignac number, because 1674699497 - 2² = 1674699493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1674699493) 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, 11470472 + ... + 11470617.

It is an arithmetic number, because the mean of its divisors is an integer number (424410165).

Almost surely, 2^1674699497 is an apocalyptic number.

It is an amenable number.

1674699497 is a deficient number, since it is larger than the sum of its proper divisors (22941163).

1674699497 is an equidigital number, since it uses as much as digits as its factorization.

1674699497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22941162.

The product of its digits is 20575296, while the sum is 62.

The square root of 1674699497 is about 40923.0924662348. The cubic root of 1674699497 is about 1187.5328441811.

The spelling of 1674699497 in words is "one billion, six hundred seventy-four million, six hundred ninety-nine thousand, four hundred ninety-seven".