2903216949 has 6 divisors (see below), whose sum is σ = 4193535606. Its totient is φ = 1935477960.

The previous prime is 2903216947. The next prime is 2903217001. The reversal of 2903216949 is 9496123092.

It is a happy number.

2903216949 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1813226724 + 1089990225 = 42582^2 + 33015^2 .

It is not a de Polignac number, because 2903216949 - 2¹ = 2903216947 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2903216947) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 161289822 + ... + 161289839.

It is an arithmetic number, because the mean of its divisors is an integer number (698922601).

Almost surely, 2^2903216949 is an apocalyptic number.

It is an amenable number.

2903216949 is a deficient number, since it is larger than the sum of its proper divisors (1290318657).

2903216949 is a wasteful number, since it uses less digits than its factorization.

2903216949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322579667 (or 322579664 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 2903216949 is about 53881.5084142974. The cubic root of 2903216949 is about 1426.5702520647.

The spelling of 2903216949 in words is "two billion, nine hundred three million, two hundred sixteen thousand, nine hundred forty-nine".