1715428894 has 32 divisors (see below), whose sum is σ = 2804336640. Its totient is φ = 783940992.

The previous prime is 1715428879. The next prime is 1715428919. The reversal of 1715428894 is 4988245171.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 161347 + ... + 171649.

It is an arithmetic number, because the mean of its divisors is an integer number (87635520).

Almost surely, 2^1715428894 is an apocalyptic number.

1715428894 is a deficient number, since it is larger than the sum of its proper divisors (1088907746).

1715428894 is a wasteful number, since it uses less digits than its factorization.

1715428894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10464.

The product of its digits is 645120, while the sum is 49.

The square root of 1715428894 is about 41417.7364663981. The cubic root of 1715428894 is about 1197.0829364553.

The spelling of 1715428894 in words is "one billion, seven hundred fifteen million, four hundred twenty-eight thousand, eight hundred ninety-four".