2147401420688 has 20 divisors (see below), whose sum is σ = 4167902379660. Its totient is φ = 1071813709824.

The previous prime is 2147401420673. The next prime is 2147401420711. The reversal of 2147401420688 is 8860241047412.

It can be written as a sum of positive squares in 2 ways, for example, as 224497811344 + 1922903609344 = 473812^2 + 1386688^2 .

It is a super-2 number, since 2×2147401420688² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117928145 + ... + 117946352.

It is an arithmetic number, because the mean of its divisors is an integer number (208395118983).

Almost surely, 2^{2147401420688} is an apocalyptic number.

It is an amenable number.

2147401420688 is a deficient number, since it is larger than the sum of its proper divisors (2020500958972).

2147401420688 is a wasteful number, since it uses less digits than its factorization.

2147401420688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235875074 (or 235875068 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 47.

The spelling of 2147401420688 in words is "two trillion, one hundred forty-seven billion, four hundred one million, four hundred twenty thousand, six hundred eighty-eight".