1499901011 has 4 divisors (see below), whose sum is σ = 1714172592. Its totient is φ = 1285629432.

The previous prime is 1499900999. The next prime is 1499901019. The reversal of 1499901011 is 1101099941.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1499901011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1499901019) 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, 107135780 + ... + 107135793.

It is an arithmetic number, because the mean of its divisors is an integer number (428543148).

Almost surely, 2^1499901011 is an apocalyptic number.

1499901011 is a deficient number, since it is larger than the sum of its proper divisors (214271581).

1499901011 is an equidigital number, since it uses as much as digits as its factorization.

1499901011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214271580.

The product of its (nonzero) digits is 2916, while the sum is 35.

The square root of 1499901011 is about 38728.5554984949. Note that the first 3 decimals coincide. The cubic root of 1499901011 is about 1144.6890610842.

The spelling of 1499901011 in words is "one billion, four hundred ninety-nine million, nine hundred one thousand, eleven".