25702141993984 has 33 divisors (see below), whose sum is σ = 51379508546137. Its totient is φ = 12850989881344.

The previous prime is 25702141993967. The next prime is 25702141994003. The reversal of 25702141993984 is 48939914120752.

The square root of 25702141993984 is 5069728.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 25685921424384 + 16220569600 = 5068128^2 + 127360^2 .

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 162152082 + ... + 162310510.

Almost surely, 2^{25702141993984} is an apocalyptic number.

25702141993984 is the 5069728-th square number.

It is an amenable number.

25702141993984 is a deficient number, since it is larger than the sum of its proper divisors (25677366552153).

25702141993984 is an frugal number, since it uses more digits than its factorization.

25702141993984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316878 (or 158431 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 64.

25702141993984 divided by its sum of digits (64) gives a square (401595968656 = 633716²).

The spelling of 25702141993984 in words is "twenty-five trillion, seven hundred two billion, one hundred forty-one million, nine hundred ninety-three thousand, nine hundred eighty-four".