903149339 has 4 divisors (see below), whose sum is σ = 924152856. Its totient is φ = 882145824.

The previous prime is 903149329. The next prime is 903149383. The reversal of 903149339 is 933941309.

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

It is a cyclic number.

It is not a de Polignac number, because 903149339 - 2⁸ = 903149083 is a prime.

It is a super-2 number, since 2×903149339² = 1631357457072273842, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 903149296 and 903149305.

It is not an unprimeable number, because it can be changed into a prime (903149329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10501694 + ... + 10501779.

It is an arithmetic number, because the mean of its divisors is an integer number (231038214).

Almost surely, 2^903149339 is an apocalyptic number.

903149339 is a deficient number, since it is larger than the sum of its proper divisors (21003517).

903149339 is a wasteful number, since it uses less digits than its factorization.

903149339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21003516.

The product of its (nonzero) digits is 78732, while the sum is 41.

The square root of 903149339 is about 30052.4431452752. The cubic root of 903149339 is about 966.6142414824.

The spelling of 903149339 in words is "nine hundred three million, one hundred forty-nine thousand, three hundred thirty-nine".