1049511899146 has 8 divisors (see below), whose sum is σ = 1576347465060. Its totient is φ = 524062744128.

The previous prime is 1049511899119. The next prime is 1049511899147. The reversal of 1049511899146 is 6419981159401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1001730748225 + 47781150921 = 1000865^2 + 218589^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1049511899146² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1049511899147) 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, 346600831 + ... + 346603858.

Almost surely, 2^{1049511899146} is an apocalyptic number.

1049511899146 is a deficient number, since it is larger than the sum of its proper divisors (526835565914).

1049511899146 is an equidigital number, since it uses as much as digits as its factorization.

1049511899146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693205448.

The product of its (nonzero) digits is 2799360, while the sum is 58.

The spelling of 1049511899146 in words is "one trillion, forty-nine billion, five hundred eleven million, eight hundred ninety-nine thousand, one hundred forty-six".