10019449395 has 96 divisors (see below), whose sum is σ = 18899412480. Its totient is φ = 4897751040.

The previous prime is 10019449357. The next prime is 10019449397. The reversal of 10019449395 is 59394491001.

10019449395 is a `hidden beast` number, since 100 + 19 + 449 + 3 + 95 = 666.

It is not a de Polignac number, because 10019449395 - 2⁹ = 10019448883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 10019449395.

It is not an unprimeable number, because it can be changed into a prime (10019449397) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2141779 + ... + 2146451.

It is an arithmetic number, because the mean of its divisors is an integer number (196868880).

Almost surely, 2^10019449395 is an apocalyptic number.

10019449395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10019449395 is a deficient number, since it is larger than the sum of its proper divisors (8879963085).

10019449395 is a wasteful number, since it uses less digits than its factorization.

10019449395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4797 (or 4794 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The spelling of 10019449395 in words is "ten billion, nineteen million, four hundred forty-nine thousand, three hundred ninety-five".