69141985 has 16 divisors (see below), whose sum is σ = 91664640. Its totient is φ = 49645440.

The previous prime is 69141973. The next prime is 69142019. The reversal of 69141985 is 58914196.

It is not a de Polignac number, because 69141985 - 2¹¹ = 69139937 is a prime.

It is a super-2 number, since 2×69141985² = 9561228179480450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3612 + ... + 12301.

It is an arithmetic number, because the mean of its divisors is an integer number (5729040).

Almost surely, 2^69141985 is an apocalyptic number.

It is an amenable number.

69141985 is a deficient number, since it is larger than the sum of its proper divisors (22522655).

69141985 is a wasteful number, since it uses less digits than its factorization.

69141985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16008.

The product of its digits is 77760, while the sum is 43.

The square root of 69141985 is about 8315.1659634670. The cubic root of 69141985 is about 410.4377339571.

The spelling of 69141985 in words is "sixty-nine million, one hundred forty-one thousand, nine hundred eighty-five".