6491292461 has 32 divisors (see below), whose sum is σ = 7498137600. Its totient is φ = 5582903040.

The previous prime is 6491292413. The next prime is 6491292463. The reversal of 6491292461 is 1642921946.

It is a cyclic number.

It is not a de Polignac number, because 6491292461 - 2⁶ = 6491292397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6491292463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 954170 + ... + 960948.

It is an arithmetic number, because the mean of its divisors is an integer number (234316800).

Almost surely, 2^6491292461 is an apocalyptic number.

It is an amenable number.

6491292461 is a deficient number, since it is larger than the sum of its proper divisors (1006845139).

6491292461 is a wasteful number, since it uses less digits than its factorization.

6491292461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6929.

The product of its digits is 186624, while the sum is 44.

The square root of 6491292461 is about 80568.5575209089. The cubic root of 6491292461 is about 1865.4218473757.

The spelling of 6491292461 in words is "six billion, four hundred ninety-one million, two hundred ninety-two thousand, four hundred sixty-one".