2019650423 has 8 divisors (see below), whose sum is σ = 2309294592. Its totient is φ = 1730286936.

The previous prime is 2019650407. The next prime is 2019650461. The reversal of 2019650423 is 3240569102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2019650423 - 2⁴ = 2019650407 is a prime.

It is a super-2 number, since 2×2019650423² = 8157975662248157858, which contains 22 as substring.

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 2019650423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2019650023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54515 + ... + 83732.

It is an arithmetic number, because the mean of its divisors is an integer number (288661824).

Almost surely, 2^2019650423 is an apocalyptic number.

2019650423 is a deficient number, since it is larger than the sum of its proper divisors (289644169).

2019650423 is a wasteful number, since it uses less digits than its factorization.

2019650423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140341.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 2019650423 is about 44940.5209471363. The cubic root of 2019650423 is about 1264.0339394211.

The spelling of 2019650423 in words is "two billion, nineteen million, six hundred fifty thousand, four hundred twenty-three".