461220400675357 has 4 divisors (see below), whose sum is σ = 461220458412220. Its totient is φ = 461220342938496.

The previous prime is 461220400675297. The next prime is 461220400675369. The reversal of 461220400675357 is 753576004022164.

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

It can be written as a sum of positive squares in 2 ways, for example, as 442560670339876 + 18659730335481 = 21037126^2 + 4319691^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461220400675357 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 (461220400775357) 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, 14503188 + ... + 33656845.

It is an arithmetic number, because the mean of its divisors is an integer number (115305114603055).

Almost surely, 2^{461220400675357} is an apocalyptic number.

It is an amenable number.

461220400675357 is a deficient number, since it is larger than the sum of its proper divisors (57736863).

461220400675357 is an equidigital number, since it uses as much as digits as its factorization.

461220400675357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57736862.

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 461220400675357 in words is "four hundred sixty-one trillion, two hundred twenty billion, four hundred million, six hundred seventy-five thousand, three hundred fifty-seven".