1974462493 has 2 divisors, whose sum is σ = 1974462494. Its totient is φ = 1974462492.

The previous prime is 1974462481. The next prime is 1974462533. The reversal of 1974462493 is 3942644791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1629171769 + 345290724 = 40363^2 + 18582^2 .

It is an emirp because it is prime and its reverse (3942644791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1974462493 - 2¹³ = 1974454301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1974462403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 987231246 + 987231247.

It is an arithmetic number, because the mean of its divisors is an integer number (987231247).

Almost surely, 2^1974462493 is an apocalyptic number.

It is an amenable number.

1974462493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1974462493 is an equidigital number, since it uses as much as digits as its factorization.

1974462493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 49.

The square root of 1974462493 is about 44434.9242488383. The cubic root of 1974462493 is about 1254.5355218360.

The spelling of 1974462493 in words is "one billion, nine hundred seventy-four million, four hundred sixty-two thousand, four hundred ninety-three".