9940000501 has 4 divisors (see below), whose sum is σ = 9941063904. Its totient is φ = 9938937100.

The previous prime is 9940000493. The next prime is 9940000513. The reversal of 9940000501 is 1050000499.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1050000499 = 1051 ⋅999049.

It is a cyclic number.

It is not a de Polignac number, because 9940000501 - 2³ = 9940000493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9940000501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9940000541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517555 + ... + 536416.

It is an arithmetic number, because the mean of its divisors is an integer number (2485265976).

Almost surely, 2^9940000501 is an apocalyptic number.

It is an amenable number.

9940000501 is a deficient number, since it is larger than the sum of its proper divisors (1063403).

9940000501 is a wasteful number, since it uses less digits than its factorization.

9940000501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063402.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 9940000501 is about 99699.5511574651. The cubic root of 9940000501 is about 2150.1172101956.

The spelling of 9940000501 in words is "nine billion, nine hundred forty million, five hundred one", and thus it is an aban number.