34345531487 has 2 divisors, whose sum is σ = 34345531488. Its totient is φ = 34345531486.

The previous prime is 34345531463. The next prime is 34345531547. The reversal of 34345531487 is 78413554343.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34345531487 - 2¹⁶ = 34345465951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34345531417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17172765743 + 17172765744.

It is an arithmetic number, because the mean of its divisors is an integer number (17172765744).

Almost surely, 2^34345531487 is an apocalyptic number.

34345531487 is a deficient number, since it is larger than the sum of its proper divisors (1).

34345531487 is an equidigital number, since it uses as much as digits as its factorization.

34345531487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 47.

The spelling of 34345531487 in words is "thirty-four billion, three hundred forty-five million, five hundred thirty-one thousand, four hundred eighty-seven".