1898920713 has 8 divisors (see below), whose sum is σ = 2532096000. Its totient is φ = 1265846288.

The previous prime is 1898920711. The next prime is 1898920739. The reversal of 1898920713 is 3170298981.

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 1898920713 - 2¹ = 1898920711 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1898920711) 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, 57208 + ... + 84086.

It is an arithmetic number, because the mean of its divisors is an integer number (316512000).

Almost surely, 2^1898920713 is an apocalyptic number.

It is an amenable number.

1898920713 is a deficient number, since it is larger than the sum of its proper divisors (633175287).

1898920713 is a wasteful number, since it uses less digits than its factorization.

1898920713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50431.

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 1898920713 is about 43576.6074058089. The cubic root of 1898920713 is about 1238.3277651713.

The spelling of 1898920713 in words is "one billion, eight hundred ninety-eight million, nine hundred twenty thousand, seven hundred thirteen".