61254733353 has 64 divisors (see below), whose sum is σ = 96522596352. Its totient is φ = 34134266880.

The previous prime is 61254733349. The next prime is 61254733381. The reversal of 61254733353 is 35333745216.

It is a happy number.

It is not a de Polignac number, because 61254733353 - 2² = 61254733349 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61254733453) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16952175 + ... + 16955787.

It is an arithmetic number, because the mean of its divisors is an integer number (1508165568).

Almost surely, 2^61254733353 is an apocalyptic number.

It is an amenable number.

61254733353 is a deficient number, since it is larger than the sum of its proper divisors (35267862999).

61254733353 is a wasteful number, since it uses less digits than its factorization.

61254733353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4334.

The product of its digits is 680400, while the sum is 42.

The spelling of 61254733353 in words is "sixty-one billion, two hundred fifty-four million, seven hundred thirty-three thousand, three hundred fifty-three".