442154792957 has 2 divisors, whose sum is σ = 442154792958. Its totient is φ = 442154792956.

The previous prime is 442154792951. The next prime is 442154792977. The reversal of 442154792957 is 759297451244.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 431729157721 + 10425635236 = 657061^2 + 102106^2 .

It is a cyclic number.

It is not a de Polignac number, because 442154792957 - 2⁴ = 442154792941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442154792896 and 442154792905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442154792951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221077396478 + 221077396479.

It is an arithmetic number, because the mean of its divisors is an integer number (221077396479).

Almost surely, 2^442154792957 is an apocalyptic number.

It is an amenable number.

442154792957 is a deficient number, since it is larger than the sum of its proper divisors (1).

442154792957 is an equidigital number, since it uses as much as digits as its factorization.

442154792957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25401600, while the sum is 59.

The spelling of 442154792957 in words is "four hundred forty-two billion, one hundred fifty-four million, seven hundred ninety-two thousand, nine hundred fifty-seven".