420345001919 has 8 divisors (see below), whose sum is σ = 421527150000. Its totient is φ = 419163607872.

The previous prime is 420345001897. The next prime is 420345001943. The reversal of 420345001919 is 919100543024.

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

It is a cyclic number.

It is not a de Polignac number, because 420345001919 - 2²⁸ = 420076566463 is a prime.

It is a super-2 number, since 2×420345001919² (a number of 24 digits) 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 (420345001949) 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, 937412 + ... + 1311270.

It is an arithmetic number, because the mean of its divisors is an integer number (52690893750).

Almost surely, 2^420345001919 is an apocalyptic number.

420345001919 is a deficient number, since it is larger than the sum of its proper divisors (1182148081).

420345001919 is a wasteful number, since it uses less digits than its factorization.

420345001919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377017.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 420345001919 in words is "four hundred twenty billion, three hundred forty-five million, one thousand, nine hundred nineteen".