1003761949845 has 16 divisors (see below), whose sum is σ = 1606045170240. Its totient is φ = 535331023104.

The previous prime is 1003761949831. The next prime is 1003761949867. The reversal of 1003761949845 is 5489491673001.

It is a happy number.

It is not a de Polignac number, because 1003761949845 - 2¹³ = 1003761941653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474346 + ... + 1494164.

It is an arithmetic number, because the mean of its divisors is an integer number (100377823140).

Almost surely, 2^{1003761949845} is an apocalyptic number.

1003761949845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1003761949845 is a deficient number, since it is larger than the sum of its proper divisors (602283220395).

1003761949845 is a wasteful number, since it uses less digits than its factorization.

1003761949845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085444.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 1003761949845 in words is "one trillion, three billion, seven hundred sixty-one million, nine hundred forty-nine thousand, eight hundred forty-five".