421346543011 has 8 divisors (see below), whose sum is σ = 423352127984. Its totient is φ = 419345372160.

The previous prime is 421346542987. The next prime is 421346543053. The reversal of 421346543011 is 110345643124.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421346543011 is a prime.

It is a super-2 number, since 2×421346543011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421346546011) 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, 912090 + ... + 1294063.

It is an arithmetic number, because the mean of its divisors is an integer number (52919015998).

Almost surely, 2^421346543011 is an apocalyptic number.

421346543011 is a deficient number, since it is larger than the sum of its proper divisors (2005584973).

421346543011 is a wasteful number, since it uses less digits than its factorization.

421346543011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207061.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 421346543011 in words is "four hundred twenty-one billion, three hundred forty-six million, five hundred forty-three thousand, eleven".