61005460546 has 4 divisors (see below), whose sum is σ = 91508190822. Its totient is φ = 30502730272.

The previous prime is 61005460543. The next prime is 61005460601. The reversal of 61005460546 is 64506450016.

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

It can be written as a sum of positive squares in only one way, i.e., 37645700625 + 23359759921 = 194025^2 + 152839^2 .

It is not an unprimeable number, because it can be changed into a prime (61005460543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15251365135 + ... + 15251365138.

Almost surely, 2^61005460546 is an apocalyptic number.

61005460546 is a deficient number, since it is larger than the sum of its proper divisors (30502730276).

61005460546 is a wasteful number, since it uses less digits than its factorization.

61005460546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30502730275.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 61005460546 in words is "sixty-one billion, five million, four hundred sixty thousand, five hundred forty-six".