420814233901151 has 2 divisors, whose sum is σ = 420814233901152. Its totient is φ = 420814233901150.

The previous prime is 420814233901129. The next prime is 420814233901213. The reversal of 420814233901151 is 151109332418024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420814233901151 - 2³⁴ = 420797054031967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420814233901951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210407116950575 + 210407116950576.

It is an arithmetic number, because the mean of its divisors is an integer number (210407116950576).

Almost surely, 2^{420814233901151} is an apocalyptic number.

420814233901151 is a deficient number, since it is larger than the sum of its proper divisors (1).

420814233901151 is an equidigital number, since it uses as much as digits as its factorization.

420814233901151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 420814233901151 in words is "four hundred twenty trillion, eight hundred fourteen billion, two hundred thirty-three million, nine hundred one thousand, one hundred fifty-one".