442154234507 has 2 divisors, whose sum is σ = 442154234508. Its totient is φ = 442154234506.

The previous prime is 442154234479. The next prime is 442154234521. The reversal of 442154234507 is 705432451244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442154234507 - 2²⁸ = 441885799051 is a prime.

It is a super-2 number, since 2×442154234507² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (442154434507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221077117253 + 221077117254.

It is an arithmetic number, because the mean of its divisors is an integer number (221077117254).

Almost surely, 2^442154234507 is an apocalyptic number.

442154234507 is a deficient number, since it is larger than the sum of its proper divisors (1).

442154234507 is an equidigital number, since it uses as much as digits as its factorization.

442154234507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 537600, while the sum is 41.

The spelling of 442154234507 in words is "four hundred forty-two billion, one hundred fifty-four million, two hundred thirty-four thousand, five hundred seven".