1049509910901 has 16 divisors (see below), whose sum is σ = 1420991821440. Its totient is φ = 688877528640.

The previous prime is 1049509910881. The next prime is 1049509910903. The reversal of 1049509910901 is 1090199059401.

It is a happy number.

It is not a de Polignac number, because 1049509910901 - 2⁶ = 1049509910837 is a prime.

It is a super-2 number, since 2×1049509910901² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049509910903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3204906 + ... + 3517163.

It is an arithmetic number, because the mean of its divisors is an integer number (88811988840).

Almost surely, 2^{1049509910901} is an apocalyptic number.

It is an amenable number.

1049509910901 is a deficient number, since it is larger than the sum of its proper divisors (371481910539).

1049509910901 is an equidigital number, since it uses as much as digits as its factorization.

1049509910901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6722876.

The product of its (nonzero) digits is 131220, while the sum is 48.

The spelling of 1049509910901 in words is "one trillion, forty-nine billion, five hundred nine million, nine hundred ten thousand, nine hundred one".