706137487641 has 28 divisors (see below), whose sum is σ = 1120999691412. Its totient is φ = 443066651136.

The previous prime is 706137487621. The next prime is 706137487663. The reversal of 706137487641 is 146784731607.

It is a happy number.

706137487641 is a `hidden beast` number, since 70 + 6 + 1 + 37 + 487 + 64 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 189433857600 + 516703630041 = 435240^2 + 718821^2 .

It is not a de Polignac number, because 706137487641 - 2⁶ = 706137487577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (706137487621) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 28476976 + ... + 28501761.

Almost surely, 2^706137487641 is an apocalyptic number.

It is an amenable number.

706137487641 is a deficient number, since it is larger than the sum of its proper divisors (414862203771).

706137487641 is an equidigital number, since it uses as much as digits as its factorization.

706137487641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56978772 (or 56978757 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 706137487641 in words is "seven hundred six billion, one hundred thirty-seven million, four hundred eighty-seven thousand, six hundred forty-one".