61463236021 has 8 divisors (see below), whose sum is σ = 70579792800. Its totient is φ = 52934844240.

The previous prime is 61463236019. The next prime is 61463236027. The reversal of 61463236021 is 12063236416.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61463236021 - 2¹ = 61463236019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61463236027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147041026 + ... + 147041443.

It is an arithmetic number, because the mean of its divisors is an integer number (8822474100).

Almost surely, 2^61463236021 is an apocalyptic number.

It is an amenable number.

61463236021 is a deficient number, since it is larger than the sum of its proper divisors (9116556779).

61463236021 is a wasteful number, since it uses less digits than its factorization.

61463236021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294082499.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 61463236021 in words is "sixty-one billion, four hundred sixty-three million, two hundred thirty-six thousand, twenty-one".