461476525251649 has 2 divisors, whose sum is σ = 461476525251650. Its totient is φ = 461476525251648.

The previous prime is 461476525251593. The next prime is 461476525251653. The reversal of 461476525251649 is 946152525674164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 309165581441025 + 152310943810624 = 17583105^2 + 12341432^2 .

It is a cyclic number.

It is not a de Polignac number, because 461476525251649 - 2⁴¹ = 459277501996097 is a prime.

It is not a weakly prime, because it can be changed into another prime (461476525251349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230738262625824 + 230738262625825.

It is an arithmetic number, because the mean of its divisors is an integer number (230738262625825).

Almost surely, 2^{461476525251649} is an apocalyptic number.

It is an amenable number.

461476525251649 is a deficient number, since it is larger than the sum of its proper divisors (1).

461476525251649 is an equidigital number, since it uses as much as digits as its factorization.

461476525251649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456000, while the sum is 67.

The spelling of 461476525251649 in words is "four hundred sixty-one trillion, four hundred seventy-six billion, five hundred twenty-five million, two hundred fifty-one thousand, six hundred forty-nine".