65421426341401 has 8 divisors (see below), whose sum is σ = 74598187502664. Its totient is φ = 56836714287360.

The previous prime is 65421426341363. The next prime is 65421426341407. The reversal of 65421426341401 is 10414362412456.

It can be written as a sum of positive squares in 4 ways, for example, as 9817261829001 + 55604164512400 = 3133251^2 + 7456820^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 65421426341401 - 2¹⁹ = 65421425817113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65421426341407) 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, 148012276570 + ... + 148012277011.

It is an arithmetic number, because the mean of its divisors is an integer number (9324773437833).

Almost surely, 2^{65421426341401} is an apocalyptic number.

It is an amenable number.

65421426341401 is a deficient number, since it is larger than the sum of its proper divisors (9176761161263).

65421426341401 is a wasteful number, since it uses less digits than its factorization.

65421426341401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296024553611.

The product of its (nonzero) digits is 552960, while the sum is 43.

Adding to 65421426341401 its reverse (10414362412456), we get a palindrome (75835788753857).

The spelling of 65421426341401 in words is "sixty-five trillion, four hundred twenty-one billion, four hundred twenty-six million, three hundred forty-one thousand, four hundred one".