2349902961 has 16 divisors (see below), whose sum is σ = 3978672000. Its totient is φ = 1342801584.

The previous prime is 2349902927. The next prime is 2349902963. The reversal of 2349902961 is 1692099432.

It is a happy number.

It is not a de Polignac number, because 2349902961 - 2¹⁰ = 2349901937 is a prime.

It is a super-2 number, since 2×2349902961² = 11044087852233135042, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2349902963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6216486 + ... + 6216863.

It is an arithmetic number, because the mean of its divisors is an integer number (248667000).

Almost surely, 2^2349902961 is an apocalyptic number.

2349902961 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2349902961 is a deficient number, since it is larger than the sum of its proper divisors (1628769039).

2349902961 is a wasteful number, since it uses less digits than its factorization.

2349902961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12433365 (or 12433359 counting only the distinct ones).

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

The square root of 2349902961 is about 48475.7976829675. The cubic root of 2349902961 is about 1329.4845951768.

The spelling of 2349902961 in words is "two billion, three hundred forty-nine million, nine hundred two thousand, nine hundred sixty-one".