101640702369 has 32 divisors (see below), whose sum is σ = 144341729280. Its totient is φ = 63438705792.

The previous prime is 101640702349. The next prime is 101640702437. The reversal of 101640702369 is 963207046101.

It is not a de Polignac number, because 101640702369 - 2¹¹ = 101640700321 is a prime.

It is a super-2 number, since 2×101640702369² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101640702329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1712224 + ... + 1770590.

It is an arithmetic number, because the mean of its divisors is an integer number (4510679040).

Almost surely, 2^101640702369 is an apocalyptic number.

101640702369 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

101640702369 is a deficient number, since it is larger than the sum of its proper divisors (42701026911).

101640702369 is a wasteful number, since it uses less digits than its factorization.

101640702369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58749.

The product of its (nonzero) digits is 54432, while the sum is 39.

The spelling of 101640702369 in words is "one hundred one billion, six hundred forty million, seven hundred two thousand, three hundred sixty-nine".