2114578397 has 2 divisors, whose sum is σ = 2114578398. Its totient is φ = 2114578396.

The previous prime is 2114578391. The next prime is 2114578409. The reversal of 2114578397 is 7938754112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1927736836 + 186841561 = 43906^2 + 13669^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2114578397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2114578391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057289198 + 1057289199.

It is an arithmetic number, because the mean of its divisors is an integer number (1057289199).

Almost surely, 2^2114578397 is an apocalyptic number.

It is an amenable number.

2114578397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2114578397 is an equidigital number, since it uses as much as digits as its factorization.

2114578397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 47.

The square root of 2114578397 is about 45984.5451972725. The cubic root of 2114578397 is about 1283.5356343738.

The spelling of 2114578397 in words is "two billion, one hundred fourteen million, five hundred seventy-eight thousand, three hundred ninety-seven".