1898479463 has 8 divisors (see below), whose sum is σ = 1969015296. Its totient is φ = 1828524600.

The previous prime is 1898479459. The next prime is 1898479469. The reversal of 1898479463 is 3649748981.

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

It is a cyclic number.

It is not a de Polignac number, because 1898479463 - 2² = 1898479459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1898479469) 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, 138581 + ... + 151662.

It is an arithmetic number, because the mean of its divisors is an integer number (246126912).

Almost surely, 2^1898479463 is an apocalyptic number.

1898479463 is a deficient number, since it is larger than the sum of its proper divisors (70535833).

1898479463 is a wasteful number, since it uses less digits than its factorization.

1898479463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290485.

The product of its digits is 10450944, while the sum is 59.

The square root of 1898479463 is about 43571.5441888396. The cubic root of 1898479463 is about 1238.2318414797.

The spelling of 1898479463 in words is "one billion, eight hundred ninety-eight million, four hundred seventy-nine thousand, four hundred sixty-three".