400213133093 has 2 divisors, whose sum is σ = 400213133094. Its totient is φ = 400213133092.

The previous prime is 400213133081. The next prime is 400213133113. The reversal of 400213133093 is 390331312004.

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., 389616901249 + 10596231844 = 624193^2 + 102938^2 .

It is a cyclic number.

It is not a de Polignac number, because 400213133093 - 2¹⁶ = 400213067557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400213133063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200106566546 + 200106566547.

It is an arithmetic number, because the mean of its divisors is an integer number (200106566547).

Almost surely, 2^400213133093 is an apocalyptic number.

It is an amenable number.

400213133093 is a deficient number, since it is larger than the sum of its proper divisors (1).

400213133093 is an equidigital number, since it uses as much as digits as its factorization.

400213133093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 400213133093 its reverse (390331312004), we get a palindrome (790544445097).

The spelling of 400213133093 in words is "four hundred billion, two hundred thirteen million, one hundred thirty-three thousand, ninety-three".