146698397639 has 2 divisors, whose sum is σ = 146698397640. Its totient is φ = 146698397638.

The previous prime is 146698397627. The next prime is 146698397647. The reversal of 146698397639 is 936793896641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146698397639 - 2¹⁶ = 146698332103 is a prime.

It is a super-3 number, since 3×146698397639³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143698397639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73349198819 + 73349198820.

It is an arithmetic number, because the mean of its divisors is an integer number (73349198820).

Almost surely, 2^146698397639 is an apocalyptic number.

146698397639 is a deficient number, since it is larger than the sum of its proper divisors (1).

146698397639 is an equidigital number, since it uses as much as digits as its factorization.

146698397639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317447424, while the sum is 71.

The spelling of 146698397639 in words is "one hundred forty-six billion, six hundred ninety-eight million, three hundred ninety-seven thousand, six hundred thirty-nine".