61464175897 has 16 divisors (see below), whose sum is σ = 63061850880. Its totient is φ = 59890896000.

The previous prime is 61464175873. The next prime is 61464175907. The reversal of 61464175897 is 79857146416.

It is a cyclic number.

It is not a de Polignac number, because 61464175897 - 2¹⁵ = 61464143129 is a prime.

It is a super-3 number, since 3×61464175897³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61464175847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2485122 + ... + 2509732.

It is an arithmetic number, because the mean of its divisors is an integer number (3941365680).

Almost surely, 2^61464175897 is an apocalyptic number.

It is an amenable number.

61464175897 is a deficient number, since it is larger than the sum of its proper divisors (1597674983).

61464175897 is a wasteful number, since it uses less digits than its factorization.

61464175897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25104.

The product of its digits is 10160640, while the sum is 58.

The spelling of 61464175897 in words is "sixty-one billion, four hundred sixty-four million, one hundred seventy-five thousand, eight hundred ninety-seven".