107490682421 has 4 divisors (see below), whose sum is σ = 107498048844. Its totient is φ = 107483316000.

The previous prime is 107490682361. The next prime is 107490682451. The reversal of 107490682421 is 124286094701.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8885890225 + 98604792196 = 94265^2 + 314014^2 .

It is a cyclic number.

It is not a de Polignac number, because 107490682421 - 2²² = 107486488117 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 (107490682451) 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, 3661280 + ... + 3690521.

It is an arithmetic number, because the mean of its divisors is an integer number (26874512211).

Almost surely, 2^107490682421 is an apocalyptic number.

It is an amenable number.

107490682421 is a deficient number, since it is larger than the sum of its proper divisors (7366423).

107490682421 is an equidigital number, since it uses as much as digits as its factorization.

107490682421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7366422.

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 107490682421 in words is "one hundred seven billion, four hundred ninety million, six hundred eighty-two thousand, four hundred twenty-one".