63831150461 has 4 divisors (see below), whose sum is σ = 68741238972. Its totient is φ = 58921061952.

The previous prime is 63831150451. The next prime is 63831150463. The reversal of 63831150461 is 16405113836.

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 8420815225 + 55410335236 = 91765^2 + 235394^2 .

It is a cyclic number.

It is not a de Polignac number, because 63831150461 - 2³⁴ = 46651281277 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 (63831150463) 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, 2455044236 + ... + 2455044261.

It is an arithmetic number, because the mean of its divisors is an integer number (17185309743).

Almost surely, 2^63831150461 is an apocalyptic number.

It is an amenable number.

63831150461 is a deficient number, since it is larger than the sum of its proper divisors (4910088511).

63831150461 is a wasteful number, since it uses less digits than its factorization.

63831150461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4910088510.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 63831150461 in words is "sixty-three billion, eight hundred thirty-one million, one hundred fifty thousand, four hundred sixty-one".