61701453829 has 4 divisors (see below), whose sum is σ = 61758217984. Its totient is φ = 61644689676.

The previous prime is 61701453809. The next prime is 61701453839. The reversal of 61701453829 is 92835410716.

61701453829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 61701453829 - 2¹⁷ = 61701322757 is a prime.

It is a super-2 number, since 2×61701453829² (a number of 22 digits) contains 22 as substring.

It is a pancake number, because a pancake can be divided into 61701453829 parts by 351287 straight cuts.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61701453809) 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, 28380447 + ... + 28382620.

It is an arithmetic number, because the mean of its divisors is an integer number (15439554496).

It is a 2-persistent number, because it is pandigital, and so is 2⋅61701453829 = 123402907658, but 3⋅61701453829 = 185104361487 is not.

Almost surely, 2^61701453829 is an apocalyptic number.

It is an amenable number.

61701453829 is a deficient number, since it is larger than the sum of its proper divisors (56764155).

61701453829 is a wasteful number, since it uses less digits than its factorization.

61701453829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56764154.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 61701453829 in words is "sixty-one billion, seven hundred one million, four hundred fifty-three thousand, eight hundred twenty-nine".