400151324269 has 2 divisors, whose sum is σ = 400151324270. Its totient is φ = 400151324268.

The previous prime is 400151324189. The next prime is 400151324273. The reversal of 400151324269 is 962423151004.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 278498952900 + 121652371369 = 527730^2 + 348787^2 .

It is a cyclic number.

It is not a de Polignac number, because 400151324269 - 2⁹ = 400151323757 is a prime.

It is a super-2 number, since 2×400151324269² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400151324869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200075662134 + 200075662135.

It is an arithmetic number, because the mean of its divisors is an integer number (200075662135).

Almost surely, 2^400151324269 is an apocalyptic number.

It is an amenable number.

400151324269 is a deficient number, since it is larger than the sum of its proper divisors (1).

400151324269 is an equidigital number, since it uses as much as digits as its factorization.

400151324269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 400151324269 in words is "four hundred billion, one hundred fifty-one million, three hundred twenty-four thousand, two hundred sixty-nine".