42890214293 has 2 divisors, whose sum is σ = 42890214294. Its totient is φ = 42890214292.

The previous prime is 42890214253. The next prime is 42890214329. The reversal of 42890214293 is 39241209824.

It is a happy number.

Together with next prime (42890214329) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24109704529 + 18780509764 = 155273^2 + 137042^2 .

It is a cyclic number.

It is not a de Polignac number, because 42890214293 - 2¹⁰ = 42890213269 is a prime.

It is a super-2 number, since 2×42890214293² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42890214233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21445107146 + 21445107147.

It is an arithmetic number, because the mean of its divisors is an integer number (21445107147).

Almost surely, 2^42890214293 is an apocalyptic number.

It is an amenable number.

42890214293 is a deficient number, since it is larger than the sum of its proper divisors (1).

42890214293 is an equidigital number, since it uses as much as digits as its factorization.

42890214293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 42890214293 in words is "forty-two billion, eight hundred ninety million, two hundred fourteen thousand, two hundred ninety-three".