1015485789 has 16 divisors (see below), whose sum is σ = 1360540800. Its totient is φ = 673720320.

The previous prime is 1015485763. The next prime is 1015485797. The reversal of 1015485789 is 9875845101.

It is a happy number.

It is not a de Polignac number, because 1015485789 - 2¹³ = 1015477597 is a prime.

It is a super-2 number, since 2×1015485789² = 2062422775321905042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015485389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 701064 + ... + 702510.

It is an arithmetic number, because the mean of its divisors is an integer number (85033800).

Almost surely, 2^1015485789 is an apocalyptic number.

It is an amenable number.

1015485789 is a deficient number, since it is larger than the sum of its proper divisors (345055011).

1015485789 is a wasteful number, since it uses less digits than its factorization.

1015485789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420.

The product of its (nonzero) digits is 403200, while the sum is 48.

The square root of 1015485789 is about 31866.6877632427. The cubic root of 1015485789 is about 1005.1355110459.

The spelling of 1015485789 in words is "one billion, fifteen million, four hundred eighty-five thousand, seven hundred eighty-nine".