6461610137 has 4 divisors (see below), whose sum is σ = 6524344320. Its totient is φ = 6398875956.

The previous prime is 6461610131. The next prime is 6461610151. The reversal of 6461610137 is 7310161646.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6461610137 - 2⁶ = 6461610073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6461610097 and 6461610106.

It is not an unprimeable number, because it can be changed into a prime (6461610131) 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, 31366937 + ... + 31367142.

It is an arithmetic number, because the mean of its divisors is an integer number (1631086080).

Almost surely, 2^6461610137 is an apocalyptic number.

It is an amenable number.

6461610137 is a deficient number, since it is larger than the sum of its proper divisors (62734183).

6461610137 is a wasteful number, since it uses less digits than its factorization.

6461610137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62734182.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 6461610137 is about 80384.1410789467. The cubic root of 6461610137 is about 1862.5742035629.

The spelling of 6461610137 in words is "six billion, four hundred sixty-one million, six hundred ten thousand, one hundred thirty-seven".