61464810738 has 8 divisors (see below), whose sum is σ = 122929621488. Its totient is φ = 20488270244.

The previous prime is 61464810733. The next prime is 61464810763. The reversal of 61464810738 is 83701846416.

It is a sphenic number, since it is the product of 3 distinct primes.

61464810738 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (61464810733) 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, 5122067556 + ... + 5122067567.

It is an arithmetic number, because the mean of its divisors is an integer number (15366202686).

Almost surely, 2^61464810738 is an apocalyptic number.

61464810738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61464810738 is a wasteful number, since it uses less digits than its factorization.

61464810738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10244135128.

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 61464810738 in words is "sixty-one billion, four hundred sixty-four million, eight hundred ten thousand, seven hundred thirty-eight".