1874491492 has 12 divisors (see below), whose sum is σ = 3342254076. Its totient is φ = 919561760.

The previous prime is 1874491483. The next prime is 1874491499. The reversal of 1874491492 is 2941944781.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 588838756 + 1285652736 = 24266^2 + 35856^2 .

It is not an unprimeable number, because it can be changed into a prime (1874491499) 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, 4420759 + ... + 4421182.

It is an arithmetic number, because the mean of its divisors is an integer number (278521173).

Almost surely, 2^1874491492 is an apocalyptic number.

It is an amenable number.

1874491492 is a deficient number, since it is larger than the sum of its proper divisors (1467762584).

1874491492 is a wasteful number, since it uses less digits than its factorization.

1874491492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8841998 (or 8841996 counting only the distinct ones).

The product of its digits is 580608, while the sum is 49.

The square root of 1874491492 is about 43295.3980464437. The cubic root of 1874491492 is about 1232.9945525467.

The spelling of 1874491492 in words is "one billion, eight hundred seventy-four million, four hundred ninety-one thousand, four hundred ninety-two".