420432515354051 has 2 divisors, whose sum is σ = 420432515354052. Its totient is φ = 420432515354050.

The previous prime is 420432515354017. The next prime is 420432515354057. The reversal of 420432515354051 is 150453515234024.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420432515354051 - 2⁶ = 420432515353987 is a prime.

It is a super-2 number, since 2×420432515354051² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420432515353993 and 420432515354011.

It is not a weakly prime, because it can be changed into another prime (420432515354057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210216257677025 + 210216257677026.

It is an arithmetic number, because the mean of its divisors is an integer number (210216257677026).

Almost surely, 2^{420432515354051} is an apocalyptic number.

420432515354051 is a deficient number, since it is larger than the sum of its proper divisors (1).

420432515354051 is an equidigital number, since it uses as much as digits as its factorization.

420432515354051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440000, while the sum is 44.

The spelling of 420432515354051 in words is "four hundred twenty trillion, four hundred thirty-two billion, five hundred fifteen million, three hundred fifty-four thousand, fifty-one".