6245159121 has 6 divisors (see below), whose sum is σ = 9020785410. Its totient is φ = 4163439408.

The previous prime is 6245159099. The next prime is 6245159131. The reversal of 6245159121 is 1219515426.

6245159121 is a `hidden beast` number, since 6 + 2 + 45 + 1 + 591 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4401659025 + 1843500096 = 66345^2 + 42936^2 .

It is not a de Polignac number, because 6245159121 - 2⁶ = 6245159057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6245159131) 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, 346953276 + ... + 346953293.

It is an arithmetic number, because the mean of its divisors is an integer number (1503464235).

Almost surely, 2^6245159121 is an apocalyptic number.

It is an amenable number.

6245159121 is a deficient number, since it is larger than the sum of its proper divisors (2775626289).

6245159121 is a wasteful number, since it uses less digits than its factorization.

6245159121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693906575 (or 693906572 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 6245159121 is about 79026.3191664650. The cubic root of 6245159121 is about 1841.5400544649.

The spelling of 6245159121 in words is "six billion, two hundred forty-five million, one hundred fifty-nine thousand, one hundred twenty-one".