61362147533 has 4 divisors (see below), whose sum is σ = 61366008480. Its totient is φ = 61358286588.

The previous prime is 61362147521. The next prime is 61362147569. The reversal of 61362147533 is 33574126316.

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 a de Polignac number, because none of the positive numbers 2^k-61362147533 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 (61362147593) 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, 1906535 + ... + 1938452.

It is an arithmetic number, because the mean of its divisors is an integer number (15341502120).

Almost surely, 2^61362147533 is an apocalyptic number.

It is an amenable number.

61362147533 is a deficient number, since it is larger than the sum of its proper divisors (3860947).

61362147533 is a wasteful number, since it uses less digits than its factorization.

61362147533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3860946.

The product of its digits is 272160, while the sum is 41.

The spelling of 61362147533 in words is "sixty-one billion, three hundred sixty-two million, one hundred forty-seven thousand, five hundred thirty-three".