69642963 has 16 divisors (see below), whose sum is σ = 111111840. Its totient is φ = 42856992.

The previous prime is 69642959. The next prime is 69642971. The reversal of 69642963 is 36924696.

It is not a de Polignac number, because 69642963 - 2² = 69642959 is a prime.

It is a super-3 number, since 3×69642963³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (69642913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98856 + ... + 99557.

It is an arithmetic number, because the mean of its divisors is an integer number (6944490).

Almost surely, 2^69642963 is an apocalyptic number.

69642963 is a deficient number, since it is larger than the sum of its proper divisors (41468877).

69642963 is a wasteful number, since it uses less digits than its factorization.

69642963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198435 (or 198429 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 69642963 is about 8345.2359463349. The cubic root of 69642963 is about 411.4266441812.

The spelling of 69642963 in words is "sixty-nine million, six hundred forty-two thousand, nine hundred sixty-three".