1974890485 has 8 divisors (see below), whose sum is σ = 2371425696. Its totient is φ = 1578874320.

The previous prime is 1974890443. The next prime is 1974890521. The reversal of 1974890485 is 5840984791.

It is a happy number.

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

It is not a de Polignac number, because 1974890485 - 2²⁹ = 1438019573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121339 + ... + 136648.

It is an arithmetic number, because the mean of its divisors is an integer number (296428212).

Almost surely, 2^1974890485 is an apocalyptic number.

It is an amenable number.

1974890485 is a deficient number, since it is larger than the sum of its proper divisors (396535211).

1974890485 is a wasteful number, since it uses less digits than its factorization.

1974890485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259523.

The product of its (nonzero) digits is 2903040, while the sum is 55.

The square root of 1974890485 is about 44439.7399294820. The cubic root of 1974890485 is about 1254.6261612510.

The spelling of 1974890485 in words is "one billion, nine hundred seventy-four million, eight hundred ninety thousand, four hundred eighty-five".