420932747319 has 12 divisors (see below), whose sum is σ = 652875281784. Its totient is φ = 240532998384.

The previous prime is 420932747281. The next prime is 420932747329. The reversal of 420932747319 is 913747239024.

It is a happy number.

It is not a de Polignac number, because 420932747319 - 2²⁰ = 420931698743 is a prime.

It is a super-2 number, since 2×420932747319² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420932747329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1431743892 + ... + 1431744185.

It is an arithmetic number, because the mean of its divisors is an integer number (54406273482).

Almost surely, 2^420932747319 is an apocalyptic number.

420932747319 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

420932747319 is a deficient number, since it is larger than the sum of its proper divisors (231942534465).

420932747319 is a wasteful number, since it uses less digits than its factorization.

420932747319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863488094 (or 2863488087 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 51.

The spelling of 420932747319 in words is "four hundred twenty billion, nine hundred thirty-two million, seven hundred forty-seven thousand, three hundred nineteen".