401000454077 has 2 divisors, whose sum is σ = 401000454078. Its totient is φ = 401000454076.

The previous prime is 401000454061. The next prime is 401000454079. The reversal of 401000454077 is 770454000104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 356592899716 + 44407554361 = 597154^2 + 210731^2 .

It is a cyclic number.

It is not a de Polignac number, because 401000454077 - 2⁴ = 401000454061 is a prime.

Together with 401000454079, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401000454079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200500227038 + 200500227039.

It is an arithmetic number, because the mean of its divisors is an integer number (200500227039).

Almost surely, 2^401000454077 is an apocalyptic number.

It is an amenable number.

401000454077 is a deficient number, since it is larger than the sum of its proper divisors (1).

401000454077 is an equidigital number, since it uses as much as digits as its factorization.

401000454077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 32.

The spelling of 401000454077 in words is "four hundred one billion, four hundred fifty-four thousand, seventy-seven".