6121709451 has 48 divisors (see below), whose sum is σ = 10438052352. Its totient is φ = 3408350400.

The previous prime is 6121709449. The next prime is 6121709501. The reversal of 6121709451 is 1549071216.

It is not a de Polignac number, because 6121709451 - 2¹ = 6121709449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6121709411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 260286 + ... + 282828.

It is an arithmetic number, because the mean of its divisors is an integer number (217459424).

Almost surely, 2^6121709451 is an apocalyptic number.

6121709451 is a deficient number, since it is larger than the sum of its proper divisors (4316342901).

6121709451 is a wasteful number, since it uses less digits than its factorization.

6121709451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22784 (or 22781 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 6121709451 is about 78241.3538418144. The cubic root of 6121709451 is about 1829.3251466664.

The spelling of 6121709451 in words is "six billion, one hundred twenty-one million, seven hundred nine thousand, four hundred fifty-one".