20612414897 has 2 divisors, whose sum is σ = 20612414898. Its totient is φ = 20612414896.

The previous prime is 20612414869. The next prime is 20612414903. The reversal of 20612414897 is 79841421602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18587504896 + 2024910001 = 136336^2 + 44999^2 .

It is a cyclic number.

It is not a de Polignac number, because 20612414897 - 2¹⁶ = 20612349361 is a prime.

It is not a weakly prime, because it can be changed into another prime (20012414897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10306207448 + 10306207449.

It is an arithmetic number, because the mean of its divisors is an integer number (10306207449).

Almost surely, 2^20612414897 is an apocalyptic number.

It is an amenable number.

20612414897 is a deficient number, since it is larger than the sum of its proper divisors (1).

20612414897 is an equidigital number, since it uses as much as digits as its factorization.

20612414897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 20612414897 in words is "twenty billion, six hundred twelve million, four hundred fourteen thousand, eight hundred ninety-seven".