421370771172351 has 64 divisors (see below), whose sum is σ = 754399720488960. Its totient is φ = 202040474797440.

The previous prime is 421370771172341. The next prime is 421370771172397. The reversal of 421370771172351 is 153271177073124.

It is not a de Polignac number, because 421370771172351 - 2⁵ = 421370771172319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421370771172294 and 421370771172303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421370771172341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33993940 + ... + 44702678.

It is an arithmetic number, because the mean of its divisors is an integer number (11787495632640).

Almost surely, 2^{421370771172351} is an apocalyptic number.

421370771172351 is a deficient number, since it is larger than the sum of its proper divisors (333028949316609).

421370771172351 is a wasteful number, since it uses less digits than its factorization.

421370771172351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10721876.

The product of its (nonzero) digits is 1728720, while the sum is 51.

The spelling of 421370771172351 in words is "four hundred twenty-one trillion, three hundred seventy billion, seven hundred seventy-one million, one hundred seventy-two thousand, three hundred fifty-one".