5651068949 has 4 divisors (see below), whose sum is σ = 5656457100. Its totient is φ = 5645680800.

The previous prime is 5651068933. The next prime is 5651068993. The reversal of 5651068949 is 9498601565.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4677192100 + 973876849 = 68390^2 + 31207^2 .

It is a cyclic number.

It is not a de Polignac number, because 5651068949 - 2⁴ = 5651068933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5651068949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5651068649) 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, 2692502 + ... + 2694599.

It is an arithmetic number, because the mean of its divisors is an integer number (1414114275).

Almost surely, 2^5651068949 is an apocalyptic number.

It is an amenable number.

5651068949 is a deficient number, since it is larger than the sum of its proper divisors (5388151).

5651068949 is a wasteful number, since it uses less digits than its factorization.

5651068949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5388150.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The square root of 5651068949 is about 75173.5920985555. The cubic root of 5651068949 is about 1781.1898106035.

The spelling of 5651068949 in words is "five billion, six hundred fifty-one million, sixty-eight thousand, nine hundred forty-nine".