611421401433 has 16 divisors (see below), whose sum is σ = 823196566400. Its totient is φ = 403630763904.

The previous prime is 611421401431. The next prime is 611421401473. The reversal of 611421401433 is 334104124116.

611421401433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 611421401433 - 2¹ = 611421401431 is a prime.

It is a super-2 number, since 2×611421401433² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 611421401433.

It is not an unprimeable number, because it can be changed into a prime (611421401431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5511093 + ... + 5620941.

It is an arithmetic number, because the mean of its divisors is an integer number (51449785400).

Almost surely, 2^611421401433 is an apocalyptic number.

It is an amenable number.

611421401433 is a deficient number, since it is larger than the sum of its proper divisors (211775164967).

611421401433 is a wasteful number, since it uses less digits than its factorization.

611421401433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127968.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 611421401433 its reverse (334104124116), we get a palindrome (945525525549).

The spelling of 611421401433 in words is "six hundred eleven billion, four hundred twenty-one million, four hundred one thousand, four hundred thirty-three".