9520636494 has 32 divisors (see below), whose sum is σ = 19546513920. Its totient is φ = 3090439872.

The previous prime is 9520636487. The next prime is 9520636553. The reversal of 9520636494 is 4946360259.

It is a super-2 number, since 2×9520636494² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102972 + ... + 172175.

It is an arithmetic number, because the mean of its divisors is an integer number (610828560).

Almost surely, 2^9520636494 is an apocalyptic number.

9520636494 is an abundant number, since it is smaller than the sum of its proper divisors (10025877426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9520636494 is a wasteful number, since it uses less digits than its factorization.

9520636494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275304.

The product of its (nonzero) digits is 1399680, while the sum is 48.

The square root of 9520636494 is about 97573.7490004356. The cubic root of 9520636494 is about 2119.4442365120. Note that the first 3 decimals are identical.

The spelling of 9520636494 in words is "nine billion, five hundred twenty million, six hundred thirty-six thousand, four hundred ninety-four".