21097246062058 has 8 divisors (see below), whose sum is σ = 31647722272452. Its totient is φ = 10548005304576.

The previous prime is 21097246062047. The next prime is 21097246062143. The reversal of 21097246062058 is 85026064279012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19030647182569 + 2066598879489 = 4362413^2 + 1437567^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21097246061996 and 21097246062014.

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, 308820535 + ... + 308888842.

Almost surely, 2^{21097246062058} is an apocalyptic number.

21097246062058 is a deficient number, since it is larger than the sum of its proper divisors (10550476210394).

21097246062058 is a wasteful number, since it uses less digits than its factorization.

21097246062058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617726456.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 21097246062058 in words is "twenty-one trillion, ninety-seven billion, two hundred forty-six million, sixty-two thousand, fifty-eight".