612425101040461 has 4 divisors (see below), whose sum is σ = 639052279346592. Its totient is φ = 585797922734332.

The previous prime is 612425101040453. The next prime is 612425101040527. The reversal of 612425101040461 is 164040101524216.

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 612425101040461 - 2³ = 612425101040453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 612425101040461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612425101040411) 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, 13313589153031 + ... + 13313589153076.

It is an arithmetic number, because the mean of its divisors is an integer number (159763069836648).

Almost surely, 2^{612425101040461} is an apocalyptic number.

It is an amenable number.

612425101040461 is a deficient number, since it is larger than the sum of its proper divisors (26627178306131).

612425101040461 is a wasteful number, since it uses less digits than its factorization.

612425101040461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26627178306130.

The product of its (nonzero) digits is 46080, while the sum is 37.

Adding to 612425101040461 its reverse (164040101524216), we get a palindrome (776465202564677).

The spelling of 612425101040461 in words is "six hundred twelve trillion, four hundred twenty-five billion, one hundred one million, forty thousand, four hundred sixty-one".