2353718949 has 4 divisors (see below), whose sum is σ = 3138291936. Its totient is φ = 1569145964.

The previous prime is 2353718947. The next prime is 2353718953. The reversal of 2353718949 is 9498173532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2353718949 - 2¹ = 2353718947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2353718947) 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, 392286489 + ... + 392286494.

It is an arithmetic number, because the mean of its divisors is an integer number (784572984).

Almost surely, 2^2353718949 is an apocalyptic number.

It is an amenable number.

2353718949 is a deficient number, since it is larger than the sum of its proper divisors (784572987).

2353718949 is an equidigital number, since it uses as much as digits as its factorization.

2353718949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784572986.

The product of its digits is 1632960, while the sum is 51.

The square root of 2353718949 is about 48515.1414405853. The cubic root of 2353718949 is about 1330.2038523346.

It can be divided in two parts, 23537 and 18949, that added together give a triangular number (42486 = T₂₉₁).

The spelling of 2353718949 in words is "two billion, three hundred fifty-three million, seven hundred eighteen thousand, nine hundred forty-nine".