246420266421 has 24 divisors (see below), whose sum is σ = 398820383424. Its totient is φ = 134689336320.

The previous prime is 246420266303. The next prime is 246420266431. The reversal of 246420266421 is 124662024642.

It is not a de Polignac number, because 246420266421 - 2¹³ = 246420258229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 246420266421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (246420266431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36438540 + ... + 36445301.

It is an arithmetic number, because the mean of its divisors is an integer number (16617515976).

Almost surely, 2^246420266421 is an apocalyptic number.

246420266421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

246420266421 is a deficient number, since it is larger than the sum of its proper divisors (152400117003).

246420266421 is a wasteful number, since it uses less digits than its factorization.

246420266421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72883881 (or 72883874 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 39.

The spelling of 246420266421 in words is "two hundred forty-six billion, four hundred twenty million, two hundred sixty-six thousand, four hundred twenty-one".