6529397950 has 12 divisors (see below), whose sum is σ = 12144680280. Its totient is φ = 2611759160.

The previous prime is 6529397947. The next prime is 6529397951. The reversal of 6529397950 is 597939256.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6529397891 and 6529397900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6529397951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65293930 + ... + 65294029.

It is an arithmetic number, because the mean of its divisors is an integer number (1012056690).

Almost surely, 2^6529397950 is an apocalyptic number.

6529397950 is a deficient number, since it is larger than the sum of its proper divisors (5615282330).

6529397950 is a wasteful number, since it uses less digits than its factorization.

6529397950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130587971 (or 130587966 counting only the distinct ones).

The product of its (nonzero) digits is 4592700, while the sum is 55.

The square root of 6529397950 is about 80804.6901485304. The cubic root of 6529397950 is about 1869.0648903567.

The spelling of 6529397950 in words is "six billion, five hundred twenty-nine million, three hundred ninety-seven thousand, nine hundred fifty".