69930813487 has 2 divisors, whose sum is σ = 69930813488. Its totient is φ = 69930813486.

The previous prime is 69930813479. The next prime is 69930813499. The reversal of 69930813487 is 78431803996.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 69930813487 - 2³ = 69930813479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69930813467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34965406743 + 34965406744.

It is an arithmetic number, because the mean of its divisors is an integer number (34965406744).

Almost surely, 2^69930813487 is an apocalyptic number.

69930813487 is a deficient number, since it is larger than the sum of its proper divisors (1).

69930813487 is an equidigital number, since it uses as much as digits as its factorization.

69930813487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 69930813487 in words is "sixty-nine billion, nine hundred thirty million, eight hundred thirteen thousand, four hundred eighty-seven".