9513747940 has 24 divisors (see below), whose sum is σ = 19988959032. Its totient is φ = 3803577600.

The previous prime is 9513747937. The next prime is 9513747977. The reversal of 9513747940 is 497473159.

It can be written as a sum of positive squares in 4 ways, for example, as 970073316 + 8543674624 = 31146^2 + 92432^2 .

It is a super-2 number, since 2×9513747940² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79161 + ... + 159040.

It is an arithmetic number, because the mean of its divisors is an integer number (832873293).

Almost surely, 2^9513747940 is an apocalyptic number.

It is an amenable number.

9513747940 is an abundant number, since it is smaller than the sum of its proper divisors (10475211092).

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

9513747940 is a wasteful number, since it uses less digits than its factorization.

9513747940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240207 (or 240205 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 49.

The square root of 9513747940 is about 97538.4433954120. The cubic root of 9513747940 is about 2118.9329461622.

The spelling of 9513747940 in words is "nine billion, five hundred thirteen million, seven hundred forty-seven thousand, nine hundred forty".