101597539838 has 8 divisors (see below), whose sum is σ = 152399267640. Its totient is φ = 50797783960.

The previous prime is 101597539831. The next prime is 101597539871. The reversal of 101597539838 is 838935795101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×101597539838² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101597539831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356633 + ... + 574788.

It is an arithmetic number, because the mean of its divisors is an integer number (19049908455).

Almost surely, 2^101597539838 is an apocalyptic number.

101597539838 is a deficient number, since it is larger than the sum of its proper divisors (50801727802).

101597539838 is an equidigital number, since it uses as much as digits as its factorization.

101597539838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985962.

The product of its (nonzero) digits is 8164800, while the sum is 59.

The spelling of 101597539838 in words is "one hundred one billion, five hundred ninety-seven million, five hundred thirty-nine thousand, eight hundred thirty-eight".