964349532169 has 9 divisors (see below), whose sum is σ = 966361936917. Its totient is φ = 962341315584.

The previous prime is 964349532149. The next prime is 964349532217. The reversal of 964349532169 is 961235943469.

The square root of 964349532169 is 982013.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2404431225 + 961945100944 = 49035^2 + 980788^2 .

It is not a de Polignac number, because 964349532169 - 2²¹ = 964347435017 is a prime.

It is a super-2 number, since 2×964349532169² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (964349532149) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 755167359 + ... + 755168635.

Almost surely, 2^964349532169 is an apocalyptic number.

964349532169 is the 982013-rd square number.

964349532169 is the 491007-th centered octagonal number.

It is an amenable number.

964349532169 is a deficient number, since it is larger than the sum of its proper divisors (2012404748).

964349532169 is an frugal number, since it uses more digits than its factorization.

964349532169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4092 (or 2046 counting only the distinct ones).

The product of its digits is 37791360, while the sum is 61.

The spelling of 964349532169 in words is "nine hundred sixty-four billion, three hundred forty-nine million, five hundred thirty-two thousand, one hundred sixty-nine".