420674070293 has 2 divisors, whose sum is σ = 420674070294. Its totient is φ = 420674070292.

The previous prime is 420674070239. The next prime is 420674070301. The reversal of 420674070293 is 392070476024.

Together with previous prime (420674070239) 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., 404468016484 + 16206053809 = 635978^2 + 127303^2 .

It is a cyclic number.

It is not a de Polignac number, because 420674070293 - 2³⁸ = 145796163349 is a prime.

It is a super-3 number, since 3×420674070293³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420674060293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210337035146 + 210337035147.

It is an arithmetic number, because the mean of its divisors is an integer number (210337035147).

Almost surely, 2^420674070293 is an apocalyptic number.

It is an amenable number.

420674070293 is a deficient number, since it is larger than the sum of its proper divisors (1).

420674070293 is an equidigital number, since it uses as much as digits as its factorization.

420674070293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 420674070293 in words is "four hundred twenty billion, six hundred seventy-four million, seventy thousand, two hundred ninety-three".