69871227490 has 16 divisors (see below), whose sum is σ = 125792709048. Its totient is φ = 27943046656.

The previous prime is 69871227469. The next prime is 69871227493. The reversal of 69871227490 is 9472217896.

It can be written as a sum of positive squares in 4 ways, for example, as 69665907249 + 205320241 = 263943^2 + 14329^2 .

It is a super-3 number, since 3×69871227490³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (69871227493) 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 7 ways as a sum of consecutive naturals, for example, 626437 + ... + 729496.

Almost surely, 2^69871227490 is an apocalyptic number.

69871227490 is a deficient number, since it is larger than the sum of its proper divisors (55921481558).

69871227490 is a wasteful number, since it uses less digits than its factorization.

69871227490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361093.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 69871227490 in words is "sixty-nine billion, eight hundred seventy-one million, two hundred twenty-seven thousand, four hundred ninety".