100764221743 has 16 divisors (see below), whose sum is σ = 103441530816. Its totient is φ = 98118442240.

The previous prime is 100764221731. The next prime is 100764221759. The reversal of 100764221743 is 347122467001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100764221743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100764221143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3827421 + ... + 3853657.

It is an arithmetic number, because the mean of its divisors is an integer number (6465095676).

Almost surely, 2^100764221743 is an apocalyptic number.

100764221743 is a deficient number, since it is larger than the sum of its proper divisors (2677309073).

100764221743 is a wasteful number, since it uses less digits than its factorization.

100764221743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26834.

The product of its (nonzero) digits is 56448, while the sum is 37.

Adding to 100764221743 its reverse (347122467001), we get a palindrome (447886688744).

The spelling of 100764221743 in words is "one hundred billion, seven hundred sixty-four million, two hundred twenty-one thousand, seven hundred forty-three".