6131404651 has 4 divisors (see below), whose sum is σ = 6143173704. Its totient is φ = 6119635600.

The previous prime is 6131404649. The next prime is 6131404687. The reversal of 6131404651 is 1564041316.

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

It is a cyclic number.

It is not a de Polignac number, because 6131404651 - 2¹ = 6131404649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6131474651) 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, 5883745 + ... + 5884786.

It is an arithmetic number, because the mean of its divisors is an integer number (1535793426).

Almost surely, 2^6131404651 is an apocalyptic number.

6131404651 is a deficient number, since it is larger than the sum of its proper divisors (11769053).

6131404651 is a wasteful number, since it uses less digits than its factorization.

6131404651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11769052.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 6131404651 is about 78303.2863358876. The cubic root of 6131404651 is about 1830.2903628167.

Adding to 6131404651 its reverse (1564041316), we get a palindrome (7695445967).

The spelling of 6131404651 in words is "six billion, one hundred thirty-one million, four hundred four thousand, six hundred fifty-one".