61024468537 has 4 divisors (see below), whose sum is σ = 61170112080. Its totient is φ = 60878824996.

The previous prime is 61024468529. The next prime is 61024468543. The reversal of 61024468537 is 73586442016.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61024468537 - 2³ = 61024468529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61024468507) 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, 72821143 + ... + 72821980.

It is an arithmetic number, because the mean of its divisors is an integer number (15292528020).

Almost surely, 2^61024468537 is an apocalyptic number.

It is an amenable number.

61024468537 is a deficient number, since it is larger than the sum of its proper divisors (145643543).

61024468537 is a wasteful number, since it uses less digits than its factorization.

61024468537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145643542.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 61024468537 in words is "sixty-one billion, twenty-four million, four hundred sixty-eight thousand, five hundred thirty-seven".