61970094288 has 90 divisors (see below), whose sum is σ = 184232198774. Its totient is φ = 19441585152.

The previous prime is 61970094257. The next prime is 61970094289. The reversal of 61970094288 is 88249007916.

61970094288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 22030871184 + 39939223104 = 148428^2 + 199848^2 .

It is a super-2 number, since 2×61970094288² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61970094289) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 702931 + ... + 786162.

Almost surely, 2^61970094288 is an apocalyptic number.

61970094288 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

61970094288 is an abundant number, since it is smaller than the sum of its proper divisors (122262104486).

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

61970094288 is a wasteful number, since it uses less digits than its factorization.

61970094288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489141 (or 1489115 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 61970094288 in words is "sixty-one billion, nine hundred seventy million, ninety-four thousand, two hundred eighty-eight".