1421005545233 has 2 divisors, whose sum is σ = 1421005545234. Its totient is φ = 1421005545232.

The previous prime is 1421005545229. The next prime is 1421005545277. The reversal of 1421005545233 is 3325455001241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1412988670864 + 8016874369 = 1188692^2 + 89537^2 .

It is a cyclic number.

It is not a de Polignac number, because 1421005545233 - 2² = 1421005545229 is a prime.

It is a super-4 number, since 4×1421005545233⁴ (a number of 50 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1421005545193 and 1421005545202.

It is not a weakly prime, because it can be changed into another prime (1421005545433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710502772616 + 710502772617.

It is an arithmetic number, because the mean of its divisors is an integer number (710502772617).

Almost surely, 2^{1421005545233} is an apocalyptic number.

It is an amenable number.

1421005545233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421005545233 is an equidigital number, since it uses as much as digits as its factorization.

1421005545233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 1421005545233 in words is "one trillion, four hundred twenty-one billion, five million, five hundred forty-five thousand, two hundred thirty-three".