9015897813 has 16 divisors (see below), whose sum is σ = 13139130816. Its totient is φ = 5465433600.

The previous prime is 9015897773. The next prime is 9015897823. The reversal of 9015897813 is 3187985109.

It is not a de Polignac number, because 9015897813 - 2¹⁶ = 9015832277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9015897823) 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, 1722588 + ... + 1727813.

It is an arithmetic number, because the mean of its divisors is an integer number (821195676).

Almost surely, 2^9015897813 is an apocalyptic number.

It is an amenable number.

9015897813 is a deficient number, since it is larger than the sum of its proper divisors (4123233003).

9015897813 is a wasteful number, since it uses less digits than its factorization.

9015897813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450484.

The product of its (nonzero) digits is 544320, while the sum is 51.

The square root of 9015897813 is about 94952.0816675443. The cubic root of 9015897813 is about 2081.3078723692.

The spelling of 9015897813 in words is "nine billion, fifteen million, eight hundred ninety-seven thousand, eight hundred thirteen".