867402734431 has 2 divisors, whose sum is σ = 867402734432. Its totient is φ = 867402734430.

The previous prime is 867402734357. The next prime is 867402734449. The reversal of 867402734431 is 134437204768.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 867402734431 - 2⁹ = 867402733919 is a prime.

It is a super-2 number, since 2×867402734431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (867402738431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433701367215 + 433701367216.

It is an arithmetic number, because the mean of its divisors is an integer number (433701367216).

Almost surely, 2^867402734431 is an apocalyptic number.

867402734431 is a deficient number, since it is larger than the sum of its proper divisors (1).

867402734431 is an equidigital number, since it uses as much as digits as its factorization.

867402734431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 49.

The spelling of 867402734431 in words is "eight hundred sixty-seven billion, four hundred two million, seven hundred thirty-four thousand, four hundred thirty-one".