10642019 has 4 divisors (see below), whose sum is σ = 10649496. Its totient is φ = 10634544.

The previous prime is 10641937. The next prime is 10642039. The reversal of 10642019 is 91024601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10642019 - 2¹² = 10637923 is a prime.

It is a super-2 number, since 2×10642019² = 226505136792722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10641985 and 10642003.

It is not an unprimeable number, because it can be changed into a prime (10642039) 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, 869 + ... + 4694.

It is an arithmetic number, because the mean of its divisors is an integer number (2662374).

Almost surely, 2^10642019 is an apocalyptic number.

10642019 is a deficient number, since it is larger than the sum of its proper divisors (7477).

10642019 is an equidigital number, since it uses as much as digits as its factorization.

10642019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7476.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 10642019 is about 3262.2107534615. The cubic root of 10642019 is about 219.9588008251.

The spelling of 10642019 in words is "ten million, six hundred forty-two thousand, nineteen".