10387190447 has 4 divisors (see below), whose sum is σ = 10533488976. Its totient is φ = 10240891920.

The previous prime is 10387190441. The next prime is 10387190453. The reversal of 10387190447 is 74409178301.

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

It is an interprime number because it is at equal distance from previous prime (10387190441) and next prime (10387190453).

It is a cyclic number.

It is not a de Polignac number, because 10387190447 - 2¹⁶ = 10387124911 is a prime.

It is a super-3 number, since 3×10387190447³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10387190398 and 10387190407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10387190441) 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, 73149158 + ... + 73149299.

It is an arithmetic number, because the mean of its divisors is an integer number (2633372244).

Almost surely, 2^10387190447 is an apocalyptic number.

10387190447 is a deficient number, since it is larger than the sum of its proper divisors (146298529).

10387190447 is an equidigital number, since it uses as much as digits as its factorization.

10387190447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146298528.

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 10387190447 in words is "ten billion, three hundred eighty-seven million, one hundred ninety thousand, four hundred forty-seven".