420315514771 has 4 divisors (see below), whose sum is σ = 429258398112. Its totient is φ = 411372631432.

The previous prime is 420315514769. The next prime is 420315514811. The reversal of 420315514771 is 177415513024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420315514771 - 2¹ = 420315514769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420315814771) 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, 4471441600 + ... + 4471441693.

It is an arithmetic number, because the mean of its divisors is an integer number (107314599528).

Almost surely, 2^420315514771 is an apocalyptic number.

420315514771 is a deficient number, since it is larger than the sum of its proper divisors (8942883341).

420315514771 is an equidigital number, since it uses as much as digits as its factorization.

420315514771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8942883340.

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 420315514771 in words is "four hundred twenty billion, three hundred fifteen million, five hundred fourteen thousand, seven hundred seventy-one".