61490884962 has 32 divisors (see below), whose sum is σ = 135672203520. Its totient is φ = 18458801280.

The previous prime is 61490884937. The next prime is 61490884969. The reversal of 61490884962 is 26948809416.

It is a super-2 number, since 2×61490884962² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61490884969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9610762 + ... + 9617157.

It is an arithmetic number, because the mean of its divisors is an integer number (4239756360).

Almost surely, 2^61490884962 is an apocalyptic number.

61490884962 is an abundant number, since it is smaller than the sum of its proper divisors (74181318558).

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

61490884962 is a wasteful number, since it uses less digits than its factorization.

61490884962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19227978.

The product of its (nonzero) digits is 5971968, while the sum is 57.

The spelling of 61490884962 in words is "sixty-one billion, four hundred ninety million, eight hundred eighty-four thousand, nine hundred sixty-two".