100742741775406 has 4 divisors (see below), whose sum is σ = 151114112663112. Its totient is φ = 50371370887702.

The previous prime is 100742741775371. The next prime is 100742741775409. The reversal of 100742741775406 is 604577147247001.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×100742741775406² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100742741775409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25185685443850 + ... + 25185685443853.

It is an arithmetic number, because the mean of its divisors is an integer number (37778528165778).

Almost surely, 2^{100742741775406} is an apocalyptic number.

100742741775406 is a deficient number, since it is larger than the sum of its proper divisors (50371370887706).

100742741775406 is an equidigital number, since it uses as much as digits as its factorization.

100742741775406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50371370887705.

The product of its (nonzero) digits is 9219840, while the sum is 55.

The spelling of 100742741775406 in words is "one hundred trillion, seven hundred forty-two billion, seven hundred forty-one million, seven hundred seventy-five thousand, four hundred six".