10642999 has 4 divisors (see below), whose sum is σ = 10654336. Its totient is φ = 10631664.

The previous prime is 10642993. The next prime is 10643023. The reversal of 10642999 is 99924601.

10642999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99924601 = 7 ⋅14274943.

It is a cyclic number.

It is not a de Polignac number, because 10642999 - 2¹³ = 10634807 is a prime.

It is a super-2 number, since 2×10642999² = 226546855428002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10642993) 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, 4119 + ... + 6184.

It is an arithmetic number, because the mean of its divisors is an integer number (2663584).

Almost surely, 2^10642999 is an apocalyptic number.

10642999 is a deficient number, since it is larger than the sum of its proper divisors (11337).

10642999 is a wasteful number, since it uses less digits than its factorization.

10642999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11336.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 10642999 is about 3262.3609548914. The cubic root of 10642999 is about 219.9655524577.

The spelling of 10642999 in words is "ten million, six hundred forty-two thousand, nine hundred ninety-nine".